Muhammad flight from Mecca to Yahtrib became know as the hijra and its marks the first year of the Islamic calendar.
Answer: The Federal Court System doesn't deal with petty crimes, they focus on the laws of the land. The amendments and cases that have to do with them. It can be also used to dispute things between states. The state court system can also handle important matters but it usually only pertains to that state.
Explanation:
They held it for 88 years; 1099-1187
It reinforced segregation and discrimination