What transportation improvement made travel on land routes easier in the 1800s?

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

10. how were the mycenaeans and the minoans similar? they did not enslave anyone or tolerate slavery in any form. they had an organized and strong central government. they designed and built heavily fortified settlements. they reigned and traded in and around the aegean sea.