Why was the Han period considered a Golden Age of Chinese civilization? A because of the advances made in iron working and farming B because of the establishment of the Silk Road
C because of the establishment of a Legalist government
D because of advances in science, medicine, technology, and the arts

 D

Explanation:   because of advances in science, medicine, technology, and the arts

he was in office from 1929 to 1933 and served as a reform governor, promoting programs to combat the economic crisis besetting the united states at the time. in the 1932 presidential election, roosevelt defeated republican president herbert hoover in a landslide.

explanation:

it allows shippers to carry commercial goods, which allows them to save time and money.