D) European social and political reform movements erupted
Explanation:
Almost as soon as the effects of Industrial Revolution became permanent many social and political reform movements sprang up all across Europe looking for greater freedom and rights.
<u>This happened because now the population could see the exploitation within closed quarters of each other and it was easier to mobilize in the cities.</u>
<u>The scholarly response to Industrial Revolution also called for the dignity of man</u> and safeguard of his rights as he became more of a cog of a machine.
United States was an agrarian-based nation. Prior to World War II, people were involved in agriculture than other existing industries. Technological improvements in farming introduced during the war years reduced farming dependencies on manual labor freeing people to move to the cities to find white collar jobs after the war.
This shows that they were very clever to make a stone wall. This makes trying to bring down the wall harder most likely make enemy think not to attack them.
