What element of war resulted when a stalemate occurred between the allied powers and central powers?

A. Chemical warfare

B. Areal combat

C. Trench warfare

D. Naval battles

What were the economic and political causes for the rise of the italian city-states (Florence, Milan, Rome and Venice)

How did the Missouri Compromise attempt to settle the issue of slavery?

Why were industrial and agricultural surplus problem for the US economy?

Compare some similarities from the Indus River valley to some of the early river civilizations.

Which geographic circumstance affected the conduct of Russian foreign policy for centuries? (1) frequent droughts (2) deforestation of the tundra (3) environmental damage caused by mining (4) lack of warm-water ports

Marx generally argued that communist revolution was most likely in

What does Joseph Touma mean when he says "We're looking for a trickle-up effect"

How/when did the united states officially enter world war ii?

What was one of the ways Mussolini controlled Italy?

What did the federalists say would happen to the country if Jefferson was elected