It made Americans look at the worlds people like they were the same as everybody else.
When Karl Marx stated that religion was the <u>opiate </u><u />of the <u>masses </u><u />, he was referring to the way that religion kept workers <u>obedient</u><u /> by promising happiness in the <u>afterlife</u>.
Karl Marx felt very strong about organized religion. He felt that that religion was used as a tool to keep citizens obedient. Organized religion would help ensure that no citizen would question the society they live in. Marx considered religion as a technique by powerful officials to keep normal citizens clueless as to what is going on in a society.
Middle Ages.
The period of European history extending from about 500 to 1400–1500 ce is traditionally known as the Middle Ages. The term was first used by 15th-century scholars to designate the period between their own time and the fall of the Western Roman Empire.
Got this Google I hope this helps :)