What were the human costs of building the transcontinental railroad?

What do historians study when attempting to make connections between ancient civilizations and world cultures of today?

Which statement best describes how a command economy functioned in the Soviet Union

Which statement about the Sahara is most closely associated with the West African civilizations of Ghana and Mali? (1) Irrigation systems made it possible to farm in the Sahara. (2) Salt mined in the Sahara was exchanged for gold.

Which of these were used in World War II but NOT in World War I? A) poison gas B) machine gun fire C) aircraft carriers D) use of automobiles

How does the Bill of Rights influence individual actions and social interactions?

The impetus for change that removed the isolation of europe in the middle ages was the blank

Rebellions for independence in the south america were led by

Where were two of the six specilized death camps

What was the effect of political stability in Argentina during the 1800s? (A) increased experimentation with different forms of government (B) decreased populations as more people migrated to Europe (C) increased foreign investments and economic

What were the major factors or causes that ended the Cold War?