Your answer would be c. oil and gas industry. Hope I helped!
He helped Congress passed the Pacific Railway Act, which authorized the construction of a transcontinental railroad. The first such railroad was completed on May 10, 1869. ... Four of the five transcontinental railroads were built with assistance from the federal government through land grants.
Answer:
A) The nazis systematic effort to kill Jews and others
Explanation:
b, did not suffer any major wars
