At college, Barack Obama didn't know that he was to become the first black president of the united states of America.

At the age of 18, he moved to the united states.

Gray wolves once were seen here and there in the Yellowstone area and much of the continental united states, but they were gradually displaced by human development.

Her husband and daughter were united as one.

In 2004 , when my daughter Becky was ten, she and my husband, Joe, were united in their desire for a dog.

In fact, half of the 6, 000-7, 000 languages spoken around the world today will likely die out by the next century, according to the united nations educational, scientific and cultural organization UNESCO.

In the southern United States, pieces of corn bread represent blocks of gold for prosperity in the new year.

In the United States alone, over 100 million cell-phones are thrown away each year.

Measles, which once killed 450 children each year and disabled even more, was nearly wiped out in the united states 14 years ago by the universal use of the MMR vaccine.

My mother and father were united in their way of raising children, but it mostly fell to my mother to actually carry it out.

Passenger pigeons once flew over much of the united states in unbelievable numbers.

Some aspects of life here are different from those in the united states.

The last confirmed wild pigeon in the United States was shot by a boy in pike county, Ohio, in 1900.

They decided on a tour to the united states in 1964.

Unesco united nations educational, scientific and cultural organization recently set April 30 as a day to raise awareness of Jazz music, its significance, and its potential as a unifying voice across cultures.

We can achieve a lot when we learn to let our differences unite, rather than divide us.

Regulating the fashion industry in the United States won't be easy, Record says.

It has overtaken that of the United States.

Gamification is about understanding what it is that makes games engaging and what game designers do to create a great experience in games, and taking those learnings and applying them to other contexts such as the workplace and education, explains Kevin Werbach, a gamification expert who teaches at the Wharton School of Business at the University of Pennsylvania in the United States.

It produces about two million tons of salt that is shipped to more than 1,500 places in the northeastern United States.

At least 65 million people in the United States have a criminal record.

Since 1977, I have spent much more time abroad than in the United States.

In the United States, 36 states currently allow capital punishment for serious crimes such as mur der.

Nations from around the world have gathered in Paris for the United Nations Climate Change Conference, COP 21, with the goal of a universal and potentially legally-binding agreement on reducing greenhouse gas emissions.

In fact, in line with past experience, capital expenditure in the oil sector has dropped sharply in many producing countries, including the United States.

In addition, other factors are putting downward pressure on oil prices: change in the strategic behavior of the Organization of Petroleum Exporting Countries, the projected increase in Iranian exports, the scaling-down of global demand ( ' , especially from emerging markets), the long-term drop in petroleum consumption in the United States, and some displacement of oil by substitutes.

If you look at a lot of low-income communities in the United States, there are programs that are serving them, but they're primarily centered around ‘Let's get these kids' grades up,' and not around ‘Let's get these kids access to the same kinds of opportunities as more-affluent kids,' said Daniel Zaharopol, the founder and executive director of the program.

For example, the United Nations Children's Fund estimates that some 11 million children in Africa face hunger, disease, and water shortages as a result of the strongest El Ni o ( ' , 厄尔尼诺) weather phenomenon in decades.

For example, the United Arab Emirates has endorsed an ambitious target to draw 24% of its primary energy consumption from renewable sources by 2021.

Elite high school math competitions are attracting more interest throughout the United States.

The roots of his speech, given in March at the roundtable meeting of environment and energy ministers from the G20 group of nations, stretch back to 1972, and the United Nations Conference on the Human Environment in Stockholm.

It is also the reason why development agencies are not united in their view of environmental issues; while some, like the WRI, maintain that environmental progress needs to go hand-inhand with economic development, others argue that the priority is to build a thriving economy, and then use the wealth created to tackle environmental degradation.

The research stations on King George lsland offer a glimpse into the long game on this ice-blanketed continent as nations assert themselves, eroding the sway long held by countries like the United States, Britain, Australia and New Zealand.

Developed nations such as Australia, the United States, Canada, and European countries are essentially climate free-riders: causing the majority of the problems through high greenhouse gas emissions, while incurring few of the costs such as climate change's impact on food and water.

But US researchers quietly complain about budget restraints and having far fewer icebreakers than Russia, limiting the reach of the United States in Antarctica.

As some countries expand operations in Antarctica, the United States maintains three year-round stations on the continent with more than 1,000 people during the southern hemisphere's summer, including those at the Amundsen-Scott station, built in 1956 at an elevation of 9,301 feet on a plateau at the South Pole.

Some coal power plants in the United States have operated for more than 70 years! The oldest continuously operated commercial hydro-electric plant in the United States is on New York's Hudson River, and it went into commercial service in 1898.

For all their troubles, the United States’ 3,500 institutions were flooded with more than half a million students from 193 countries last year.

Ironically, the first evidence for this idea appeared in the United States.

For example, wholesale food and drink sales came to $268 billion in France, Germany, Italy, Spain and the United Kingdom in 2000—more than 40 percent of retail sales.

The only American public-sector workers who earn well above $250,000 a year are university sports coaches and the president of the United States.

Entergy runs 11 other reactors in the United States, including Pilgrim Nuclear station in Plymouth.

The first shiploads of immigrants bound for the territory which is now the United States crossed the Atlantic more than a hundred years after the 15th- and 16th-century explorations of North America.

The United States is the product of two principal forces-the immigration of European peoples with their varied ideas, customs, and national characteristics and the impact of a new country which modified these traits.

In Denmark, the United States, and a few other countries, it is trying to set voluntary standards for models and fashion images that rely more on peer pressure for enforcement.

Avoiding this rather than promoting it should unite the left and right of the political spectrum.

His analysis should therefore end any self-contentedness among those who may believe that the global position of English is so stable that the young generation of the United Kingdom do not need additional language capabilities.

The State, War, and Navy Building, as it was originally known, housed the three Executive Branch Departments most intimately associated with formulating and conducting the nation's foreign policy in the last quarter of the nineteenth century and the first quarter of the twentieth century-the period when the United States emerged as an international power.

The Eisenhower Executive Office Building ( ' , EEOB) commands a unique position in both the national history and the architectural heritage of the United States.

A 2014 survey conducted in Australia, Britain, and the United States by the University of Wisconsin-Madison found that young people's reliance on social media led to greater political engagement.

But it has already sparked significant controversy, with the Unite Sates trade representative opening an investigation into whether the tax discriminates against American companies, which in turn could lead to trade sanctions against France.