During the 1960s and 1970s, which of these had the greatest impact on the economy of the nations shown in red?
a) communism
b) terrorism
c) catholic church
d) orthodox church

Population parameters are difficult to calculate due to

Which act was a response to three high-profile assassinations? a. the mailing of firearms act b. the national firearms act c. the gun control act d. the brady handgun violence prevention act

What is the subcategory of tournament, pageant, match (used as a noun)