What was one means by which Greco-Roman and Judeo-Christian values spread throughout Europe in the first centuries A. D.?
A. explorers in the Age of Discovery
B. expansion of the Roman Empire
C. missionaries building churches
D. conversion by the sword in Africa

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

people had jobs and began to work. that’s why the commercial revolution was great.