Because shools became way too overpopulated. Some neighbourhood's are bigger then other others thus some schools had a lack of kids and some schools had too many kids.
Answer:
Although the nullification crisis was ostensibly about South Carolina's refusal to collect federal tariffs, many historians believe it was actually rooted in growing Southern fears over the movement in the North for the abolition of slavery.
The correct answer is:
It allowed and encouraged the recruitment of blacks to be soldiers for the U
forces.
Explanation:
It allowed forces to recruit the black males in the Union for the army in that there were many black leaders who were also in favor of this so that there was a possible emancipation of the black population.
They could fight for their own race's right to be free and this would have also given them good monetary recompenses.
This meant that fighting in the war would have given them a better lifestyle after the war and a better life to look forward to.