All fifty states require at least one year of hospital work for doctors-in-training educated at medical schools in the United States.

VOA: special.2010.07.13

He sent the United States Navy on its first foreign expedition to punish the states of Morocco, Tripoli,Tunis and Algiers.

VOA: special.2009.05.27

Slidell returned to the United States,firm in the belief that only force could win the Mexican territories the United States wanted.

VOA: special.2009.02.19

It gave the United States nearly all of what is today the states of California, Nevada,Utah,Arizona,Colorado and New Mexico.

VOA: special.2009.03.30

The United States Census Bureau estimates that there are almost forty-seven million people of Hispanic heritage living in the United States.

VOA: special.2009.09.18

His education law,still in effect, required states to show yearly progress in student learning as measured by the states' own tests.

VOA: special.2010.07.22

During the second half of the nineteenth century, the United States was not concerned much with events in other countries.

VOA: special.2010.07.08

This law kept slavery out of the northern part of the territory which the United States bought from France.

VOA: special.2009.05.14

The reports she wrote led to legal cases that continued all the way to the Supreme Court of the United States.

VOA: special.2010.04.25

They searched for germplasms that could keep plants from weakening and wilting during hot, dry summers in the United States.

VOA: special.2009.01.20

The sub was brought back to the East Coast of the United States and became a floating museum in nineteen eighty-six.

VOA: special.2010.06.11

The number of Japanese students in the United States decreased for the fourth year, to just over twenty-nine thousand.

VOA: special.2009.11.26

And it said each southern state must approve an amendment to the United States Constitution that gave citizenship to blacks.

VOA: special.2010.02.04

Today we present the second of two programs about contemporary classical music written by composers working in the United States.

VOA: special.2010.07.19