HELP HELP HELP I NEED HELP 30 PTS Why did countries begin to organize trade blocs in the 1940s?
A. They wanted to protect their citizens from the effects of the Great Depression.
B. They hoped to remove high barriers to trade that were limiting economic growth. C. They believed that countries were becoming too reliant on foreign goods.
D. They were outraged at the poor treatment of workers in many countries.

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

Members of the common school movement believed that

What was the national government’s biggest concern is facing a war under the articles of confederation