This was a system under which land and labor were exchanged for defense

Colonialism, communism, feudalism, imperialism

One problem that may result when a nation imports more than exports is? a) taxes on imports b) high unemployment c) falling government revenues d) low prices on imported goods

The United States' Buffalo, NY, and Canada's Ft. Erie, Ontario, lie across the Niagara River from each other. Which of the following situations is most likely to occur? answer is A.

How are the formation of volcanoes and plate boundaries related?

What did scientists call the rods they could see during cell division?

Which city is farthest north: los angelas, san diego, or san francisco?

Which of these is a renewable resource? a. coal b. cotton c. copper d. petroleum

What are the classifications for the six major land areas on earth?

Which of the following European countries is one of the top three leading exporters in the world? A) United Kingdom B) Germany C) Spain D) France

Fault lines are: the crust of the lithosphere that has fractured along plate boundaries and ridges the crust of the athenosphere that has fractured along plate boundaries and ridges the crust of the biosphere that has fractured along plate

Which US region historically has been dependent on the Entertainment, software and aerospace industries as a part of its economy?