B - More people migrated from rural farmlands to cities in order to find more work
Answer:The correct option is C. The trade between Canada and United States increases manufacturing in the United States.
Explanation:
The manufacturing industry of the United States is known to be the largest after China. The economy of the United States depends on its manufacturing industry. Majority of the Americans have jobs in the manufacturing industries.
A huge amount of money is made by the Americans by trading and exporting its manufactured goods. In a research conducted in 2016, it was seen that the trade relations between Canada and the United States were the second largest in the world. The United States exports the majority of its manufactured goods to Canada.
The theory that was used to justify claims of racial superiority was <u><em>social Darwinism.</em></u>
Social Darwinism was a group of ideologies that arose in the late 1800s in which Charles Darwin´s theory of evolution by natural selection, was used to justify certain social views.
According to the theory, the weak were diminished while the strong grew in power over the weak.
One of the persons who adopted social Darwinism was Adolf Hitler, who considered that the German master race had grown weak due to the influence of non-Aryans, so he targeted certain groups of people that he considered biologically inferior for extermination such as jews, homosexuals, etc.
