Which was a major achievement of both the knights of labor and the american federation of labor during the late 1800s and early 1900s? an end to labor strikes across the country the expansion of the labor force to include immigrants the reduction of the workday from ten to eight hours the hiring of skilled labor in factories

Why did the united states shift away from the policy of isolationism after world war 2?

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

What is the main social system that existed in ancient china?