Who developed the polio vaccine?

Alan Freed

David Reisman

Betty Friedan

Jonas Salk

Which happened after the breakup of the breakup of the Soviet Union? Vietnam rejected foreign investment and tightened political control. Cuba made free-market reforms, and Castro gave up political control.

Why was the fact that George Washington was elected unanimously so important?

The ruler who first tried to westernize russia was a. peter the great. b. stalin. c. lenin. d. catherine the great.

1. What was Lenin's position on World War I?

What two statements reflect the effect of the Industrial Revolution on the lives of workers in the United States?

Why do people ask appellate courts to review their cases? a They want their cases retried in other courts. b They feel that their trials were unfair. c They want to present new evidence. d They want the Supreme Court to try their cases.

president Lincoln did not include union border states in the emancipation proclamation because he wanted to

What did the Defense Department estimate would cost trillions of dollars to complete?

According to the lecture, this technological development lead to the end ofFeudal states and the beginning of Colonialism. Mechanized farming The compass Guns Sailing vessels

How did native americans assist pioneers on their journey west?