When were the ports of Venezuela closed?

a. during the Spanish regime

b. during the dictatorships

c. during the period of piracy

d. during World War I

A native, caribbean culture existed in Puerto Rico before the arrival of Columbus.

Slavery? anyone got anything on slavery! anything at all?

When was pluto found

Wegener hypothesis of continental drift was replaced in 1967 by which theory that supported his idea that continents move

Why did Justinian I fail to regain all of the former provinces of the old Roman Empire? His general made military blunders. His troops mutinied. He ran out of money. He didn't equip his troops well.

What was the result of the political unification of Asia under the Mongols?

Fulgencio Batista once led Cuba and ruled using which form of government?

A tax imposed by a government on imported or exported goods is called

Which of the following landforms was most likely to limit the interaction between two prehistoric groups? 1. forest 2. lakes 3. mountains 4. rivers

What was significant about saturn's discovery