Sectionalism is the belief that a person's region was superior to other sections of the country. ... All of these issues led to sectionalism in the United States and pushed the country to the brink of war.
Answer:
southern and eastern Europe
Explanation:
I am not sure but it looks like I can be right hope it helps Brainliest if I'm right plz
<em>Much has been said of the impropriety of representing slaves. But representation and taxation go together. </em>
D. The Three-Fifths Compromise
The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.