Answer: The term "Pax Romana," which literally means "Roman peace," refers to the time period from 27 B.C.E. to 180 C.E. in the Roman Empire. This 200-year period saw unprecedented peace and economic prosperity throughout the Empire, which spanned from England in the north to Morocco in the south and Iraq in the east.
for Japanese Americans they faced discrimination. There homes was taken away and they where forced in to concentration camps. The Japanese Citizens in big and important citys faced bombing and there homes destroyed.
The most important factor in explaining the Spanish victory over the Aztecs and Incas in the 16th century is devastating loss of life caused by European-borne diseases mainly in devastating loss of Indian life caused by smallpox