Collusion among companies typically occurs in which type of economic system? 1)Duopoly
2)Oligopoly
3)market economy
4)planned economy

Trench warfare began after germany failed in its initial plan to seize france and bring a quick end to the war. negotiate a temporary truce with the allied forces. attack the allies by sea with its powerful navy. storm across the eastern front to attack russia.

The sahel is located on the edge of the sahara desert. a. north b. west c. south d. east

How does the pyramid of giza include art, science, math, or a need for infrastructure?