Which civilization was responsible for building the structures described in this text?

some of the earthworks were large burial mounds, others served as platforms for structures such as temples, and still others served as defensive walls. mounds were usually cone-shaped, oval, or formed into the shape of an animal.
a) adena
b)inca
c)maya
d)olmec

answer; decipher the motives for why people behave the way they do;

answer; ( conflict );

answer

car dealerships cannot obtain stock

explanation

recession is a period in the economy of a nation or a state   when there is temporary economic decline that is when people produce and spend less. that is industrial activities are reduced.it can be caused by increased unemployment which leads to less growth and a drop in consumer spending which affects businesses. during this period business sales and revenues decrease thus causing businesses not to expand this is because the demand goes down and the businesses start reporting loses.