Why is the precambrian not divided into many time subdivisions whereas the paleozoic, mesozoic and cenozoic are?

What was the period of time called in the french revolution where thousands were executed

Laborers who built the central Pacific Railroad were immigrants from what country

which of the following was a reason Latin American countries had difficulty establishing national unity during the 19th century

In the space provided, explain the pros and cons of the Articles of Confederation as they pertain to national and state economics.

How did western settlement affect native americans? Western settlement continued to force Native Americans from their lands Native Americans were unaffected by western settlement because they remained on their reservation Western settlers turned to

The popularity of the automobile was caused by:

How did the Spanish-American War change America's position toward interfering in the affairs of foreign countries

What assumptions did the United States make against Japan?

What challenges did George bush face in the 1988 presidential election

What part did the growing expansion into the west play in such crucial issues of the period as the tariff, internal improvements, and the controversy over slavery?