What instruments made scientific discoveries possible and ideas spread quickly?

How did many americans respond to the labor strikes of 1919? a.) many felt the strikes were started by communists. b.) many were sympathetic to the demands of labor unions. c.) many thought the government should not intervene.

Why didn’t the portuguese have access to the territory that is present-day latin and north america

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false