Answer:
The Northern states believed that owning people (slaves) was wrong so they wanted to put a stop to it but the southern states refused because they saw slavery as a gain because they wouldn't have to pay the slaves that work for them. So the 2 sides despised each other which led up to the war
Explanation:
Herbert Hoover lost by a narrow margin
To the best of my knowledge it's A
Narrow specialization of tasks within a production process so that each worker can become a specialist in doing one thing, especially on an assembly line. In traditional industries (see sunset industries), division of labor is a major motive force for economic-growth. However, in the era of mass customization (which requires multiple skills and very short machine change-over time), division of labor has become much more flexible. Also called specialization of labor.
