The United States now faced the problem of what to do with the new lands.

VOA: special.2009.02.26

We will also tell about obesity a growing health problem in the United States.

VOA: special.2009.07.21

An old problem is getting new attention in the United States: bullying.

VOA: special.2010.04.22

He calls it "a very serious problem in the United States."

VOA: special.2010.06.14

"Every time Americans debate the problem of states' rights, the relationship of federal power to state power -- which we are indeed having a roiling debate again -- and every time we debate not only race relations, but the very idea of what it means to be an American, multi-racial,greatly diverse society, we are debating the direct legacies of the Civil War."

VOA: special.2011.04.09

But that also means that we cannot blame the United States for every problem that arises in the hemisphere,".

VOA: standard.2009.04.17

The spill may be occurring along the Gulf coast of the United States, but experts say it is an international problem.

VOA: standard.2010.06.08

Director of the University's Human Rights Program Mark Ensalaco says one of the targets of the conference is to shed light on a growing problem in the United States.

VOA: standard.2009.11.13

Ensalaco says the recent arrests reinforce the reality that human trafficking is not just an international problem, but also a local one affecting every community in the United States.

VOA: standard.2009.11.13

"Human trafficking is a very serious problem in the United States."

VOA: standard.2010.05.24

It hosted the event. "Guns and money are flowing from the United States south and fueling this problem and drugs are traveling north" "It's a mutual responsibility between the U.S.and Mexico."

VOA: standard.2010.07.20