As the first peaceful transition of political power between opposing parties in U.S. history, however, the election of 1800 had far-reaching significance. Jefferson appreciated the momentous change and his inaugural address called for reconciliation by declaring that, "We are all Republicans, we are all Federalists."
For more info http://www.ushistory.org/us/20a.asp
This means that people will not follow that law specifically if it is ridiculous or discriminates against a group of people.
The division of Korea into two nations after WW II
They had a better position to spread muslim rule and they had better access to the Mediterranean sea and trade.
