C
Every year, pilgrims would visit the idols that had been placed within the Ka'abah and this gave a huge boost to Mecca's economy. The teachings of Islam do not allow polytheism and this in turn threatened the economy of Mecca. This led to rejection by the tribal chief's of the time.
He maintained power through a combination of fear and massive propaganda.
The answer is c. Civil War. The states of the South were
against any interference from the Federal government particularly on the issue
of slavery. When Lincoln was elected,
the Southern states felt that their rights to own slaves would be jeopardized and
this would lead to Civil War.
Industrial revolution was machinery and scientific was with sciences and new outbreaks of information.