The immigrants contributed significantly to United States history from the period 1900 to 1940. Immigration was widely spread in the North while the South (aside from slave immigration) remained mostly American born citizens...about 14.5% of the population were immigrants and it was a huge force for the labor industries
Pacal the great, ruling until his death, was a great mayan leader. His impact on society was mainly cultural, ordering the conrtuction of many buildings.
Moctezuma I was a very important Aztec ruler, that reformed many rules in the society such as economical and political ones.
Huayana Capac is a famous Inca empreror, mainly because he lived in the times of the Spanish colonization, and did great things.
Hope it helped,
BioTeacher101
E: both B and D. The automobile and the mass assembly line
Most farmers practiced subsistence farming!
The french and Indian war