It should be cotton. Sorry if it didn't help.
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the emergence of factories during the Industrial Revolution, since these factories provided thousands of jobs that were desperately needed by many poor people. </span></span>
36' 30 is the latitude that was chosen as the dividing line between slave and free states.
