Why did empires expand in the XIX century?

Which best explains how wealthy residents of italian cities contributed to the renaissance? a) wealthy residents bought works of art, which supported artists. b) wealthy residents participated in religion, which supported the church c) wealthy residents participated in music, which supported the arts. d) wealthy residents bought classical books, which supported scholars.

By july of 1950 north korean forces had pushed south korean forces as far south as

What evidence is there in this document that the policy was a good idea?