Lower Egypt would be the answer
Not only is it the purchase of about 40% of America, it also helped grounds to on-go our advancement as a civilization.
Because it was the flowing of African American Arts in the 1920s.
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.