French revolution was a widely known struggle under the ruler Louis XVI. The conflict was between the monarchy sector and the noble men whom the tax system is imposed. This provoked everyone to take the freedom to express their complaints. Furthermore, there were two social groups that emerged at that time: the aristocracy and the bourgeoisie. Answers are C and D
It encouraged African-Americans to become politically active and racially conscious.
There was a lack of jobs for European countries while the US had many job opportunities.