B. Diploma
<span>In Colombian high schools , students have to choose the track they want to be in because each track leads to specific kind of diploma. </span>
Answer:
The Southern part of the United States relied heavily on agriculture. This required manual labor. For them it was a lot cheaper to use slaves to keep their economy strong.
However, the North wasn't as focused on agriculture. Instead, they relied on industrialsm. Industrial jobs like factory workers, required a necessary ammount of knowledge. Slaves were deprived of this necessary knowledge, therefore they were not capable of performing these jobs.
