In the early 1950's dr Jonas Salk developed an effective vaccine for what childhood disease

A) polio

B) Measles

C) chicken pox

D) typhoid fever

A wall, blockade, and airlift were all a part of which city during the Cold War?

How did the ancient people get from Asia to North America? traveled in rafts and small boats from Pacific islands to South America walked across a land bridge (Beringia) from Asiato Alaska used seagoing vessels to sail from Africa to Central America

How did akbar, mughal emperor of india approach religion during his rule? he was tolerant of hindus. he forced hindus to convert to islam. he enslaved the muslims in the region. he prevented muslims from serving in government.

With Russia taking huge losses on the Eastern Front, why was the United States concentrating on producing bombers instead of landing craft for an invasion of Europe?

Which of the following serve each judicial district by prosecuting federal offenders?

How did feudalism provide for the security of the people of medieval Europe?

What were two countries that were not part of napoleons grand empire in 1812

In the late 1930's, the number of Jewish refugees rose after Germany annexed Austria. France. Poland. Russia.

What do both the Democratic Party and the Republican Party NOT officially have? A.) National Committees B.) State and local committees C.) War chests to spend on campaigns D.) Precinct captains E.) Political bosses

Did the Chinese think all states were equal in international relations?