Which of the following accurately describes both the south and slavery in 19th-century america?
select one:
a. the american south was surpassed by mexico in the amount of slaves doing labor.
b. the rate of natural increase in the slave population had more than made up for the ban on the international slave trade.
c. the proportion of slaves in the south as a whole made up only 10 percent of the population.
d. the slaves' most important task was providing labor in factories that produced goods to be exported to european nations.