The system helped cause the South to be the poorest part of the United States for many years.

VOA: special.2010.02.04

This week,we tell about the biggest system of freshwater lakes in the world, the Great Lakes between the United States and Canada.

VOA: special.2009.11.11

Russia objects. But the United States says the system would protect Europe from a possible attack by Iran.

VOA: special.2009.05.23

The United States Forest Service soon had trees planted in some areas and a rough road system built.

VOA: special.2009.07.20

This week on our program, we take a look at the jury system in the United States.

VOA: special.2009.08.31

Last year, almost two hundred seventy-five million people visited the national park system in the United States.

VOA: special.2009.09.28

Finally,the United States Supreme Court ruled that racial separation in the Montgomery bus system was unconstitutional.

VOA: special.2011.01.17

President Obama has signed legislation to reform the health care system in the United States.

VOA: special.2010.03.26

One year ago, the United States financial system was in danger of collapse.

VOA: special.2009.09.18

The United States built a national highway system to expand transportation.

VOA: special.2010.03.19

What we're trying to do here is to change the system in the United States from one that is based on the time that is spent in the seat to one that is based on your actual accomplishments."

VOA: special.2010.02.25

U.S.officials say the system is needed to defend Europe and the United States against potential threats from countries such as Iran.

VOA: standard.2009.07.15

The system was produced by the state-owned Rafael Arms Development Authority and is partially financed by the United States.

VOA: standard.2010.07.20

(RECORDING) Mr.Fischer said President Obama told him that the United States would not be building a missile-defense radar system on Czech territory.

VOA: standard.2009.09.17

Biden stressed that the new missile defense system would provide more security for the United States and the North Atlantic Treaty Organization,or NATO.

VOA: standard.2009.10.23

So the United States does not even know if the system works,". The missile defense system was discussed during the recent Obama-Medvedev summit in Moscow.

VOA: standard.2009.07.15

Poland's Prime Minister Donald Tusk says his country still remains loyal to the United States, despite the decision to scrap plans to build the anti-missile system.

VOA: standard.2009.09.17

In addition the prime minister has been criticized for supporting a controversial anti-missile defense system that the United States considers building in the Czech Republic and Poland.

VOA: standard.2009.03.25

But things are starting to change. New legislation that's been introduced in the U.S.Congress would require all states to implement what's called a "Graduated Driver Licensing" system.

VOA: standard.2010.06.24

The president addressed participants at the rally in a video message, pledging to work together with Congress this year and fix what he called the United States "broken immigration system."

VOA: standard.2010.03.21

They carved the first hiking trail to the top of Mt.Whitney, the highest mountain in the continental United States and they built the first museum in the National Park system.

VOA: standard.2009.11.25

Czech Prime Minister Jan Fischer said President Obama told him early Thursday that the United States is abandoning plans to build a defense system in Poland and the Czech Republic aimed at intercepting missiles from other countries.

VOA: standard.2009.09.17

civilian legal system. "Under domestic criminal law, the moment the person is in the hands of the United States government, they are entitled to be told they have a right to a lawyer and can remain silent,"

VOA: standard.2009.11.25