How have attitudes towards immigrants changed over time?

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: