Answer:
Sectionalism is loyalty to one's own region or section of the country, rather than to the country as a whole.
Answer:
Explanation:
Enslaved persons often educated the children of wealthy families.
Enslaved persons did household tasks and domestic chores.
Enslaved persons worked in the agricultural fields.
Answer:
the rise and dominance of the Republican party
Answer:

Explanation:
In the 1800s, the idea known as Manifest Destiny formed. Many Americans believed it was their God-given and undeniable destiny to expand from coast to coast.
Eventually it led to the shape of the country we know today and provided more resources, but it had many severe consequences. Issues over slavery (that would spark the Civil War) were inflamed, because no one could decide whether the new territories should be free or not.
However, the Native Americans were devastated by expansion. Many tribes had to fight the settlers, usually resulting in a loss. Their land was stolen and they were killed or forced to relocated.
So, yes, Manifest Destiny did boost the practice of removing Native Americans from their ancestral lands.