Which of the following describes a way that a prior civilization influenced the inca empire?

a)the war civilization developed terrace planting.
b)the moche people built a large canal.
c)the olmec develop a system of social classes.
d)the chimu civilization developed an extensive math system.

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

Why did einstein write a letter to president roosevelt

Identify whether each scenario describes a drawback of an advantage of trade regulation. benefits of trade regulations