One reason andrew jackson was considered a champion of the “common man” was because he A. denounced the american south

B. fought in the War of 1812

C. was a member of the eastern aristocracy

D. refused to participate in the political system

edit: i put B as a guess and it was right so :)

B. fought in the war of 1812

Explanation: it's right

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

food chain i would say only because there is competition on getting food and survival