What was a key reason that epidemics grew from the 1700s to the 1800s?

a. more people began living on farms.
b. more people began living in crowded cities.
c. neither of the above

Many asian immigrants came to the united states in the 1960s and 1970s because of push factors, including the possibility of religious freedom. economic opportunities. the chance of family reunions. o poverty and chaos.

According to robert kennedy, how might the historian see 1962a. as a year of resistance by the southb. as a year of great progress in civil rightsc. as a year of rioting and violenced. as a year of resegregation

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.