Answer:
Because many ethnic groups do not agree with one another and it can lead to conflict.
Explanation:
It was "mountain ranges in the north and west" that helped India develop for thousands of years in this way, since these mountains were very hard to cross with large armies.
Nations responded to threats to their allies by mobilizing their militaries.
By the time that anyone took back the decision to go to war, it was already too late because militaries got ready so quickly. It was like lighting a fuse, it happens so fast, it is almost impossible to stop.
Answer:
The Civil War seperated the country by the north and south. Some southern states even succeeded and formes the confederate states of america. The country was fighting against itself at this time and causes a division between north and south.
