there are a lot of reasons but one is new technology
Explanation:
new technology helps you look farther into a subject and deeper into a part of the world or into a new disease
An example of the crisis of the roman catholic church in the late middle ages is the Western Schism, a split within the catholic church lasting from 1378 to 1417 in which two men claimed to be the true pope, thus dividing the church into two groups, one that believed one man, and another that believed the other man.
A political machine is a "political group that controls or commands small businesses or corporations into voting for the candidate that they think will best suit in a election." In other words it's a boss that tells it's workers to vote for who the boss thinks would be better in a election and in result the workers will receive extra pay or a raise.
Hope this helps.
A. Overturn an act of Congress that violates the Constitution.
The north called themselves the union