Which is the best definition of an egyptian pylon?
a. a massive gateway with sloped sides
b. a tall, four-sided structure, with a pyramidal top, that is covered with relief sculptures
c. a concrete gateway guarded by a set of sculptures

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.

after the spaniards introduced horses to plains native americans, the lives of the tribes changed. tribes became less settled and sedentary. the horse allowed them to hunt animals such as bison or buffalo, and, instead of staying in one place, tribes began to be nomadic.