What are some of the features of ancient civilizations

Using complete sentences, compare and contrast the leadership and accomplishments of martin luther king, jr. and frederick douglass.

Due to the red scare, immigrants from these two regions of europe's were strongly opposed by many americans

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.