Which is the best example of the secondary source document useful in the study of history

Elements such as cadmium, lead, and mercury have been found in massive amounts in Europe's environment. These are linked to a wide range of health-related issues, such as kidney disease, bone damage, and cancer.

The plantation economy in the south produce

Who changed the rules for Valkyrie in world war II during Hitlers rule

According to Will and Ariel Durant in their book The Lessons of History, in the last 3,420 or so years of recorded history, how many years have seen no war?

What role did railroads play in industrialization for both Great Britain and the United States?

How did john quincy adams negotiate the adams-onis treaty

Surprise attack by Viet Cong guerrillas that led to widespread sentiment against the Vietnam War.

In the years leading up to world war I the government of Russia was

What is the opening paragraph of the Constitution called? A.) Articles of Confederation B.) delegates C.) ratification D.) The Bill of Rights E.) amendment F.) Preamble

Which best summarizes Wilson's vision of what the League of Nations should focus on?