By 1840, how much cotton did the united states produce annually as a result of changes in technology?
a. about 3,000 bales
b. about 300,000 bales
c. about 1.3 million bales
d. about 1.3 billion bales.

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