Who developed the polio vaccine

Which of the following best explains why secondary sources are important to historians? A. They put historical events in the correct chronological order. B. They are the least biased source available for any subject. C.

What might happen if the demand for a new type of sneaker began rising quickly? A.) The manufacturer would begin making fewer sneakers. B.) The sneaker company would raise the price of the sneakers. C.

How many different occupations did george washington carver have during his life?

What type of physical conditions did the people face in alaska during the klondike gold rush

A blank in the map is used to measure distance

Government payments to suppliers are called excise taxes True or false?

1.) how did the bill of rights hold people accountable? 2.) How did the bill of rights address the issue of elections? 3.) How did the bill of rights impact free speech? 4.

According to Karl Marx, which of these examples best reflects a strength of communism? no political parties or public elections redistribution of all wealth through graduated income tax nationalization of all industry all of the above

Which was a cause of World War I? the Second Industrial Revolution Europe's system of military alliances Russia's race to industrialize the invention of the airplane

What event finally led to a successful revolution in russia