The crusades from Europe believed that Jerusalem (the holy land) was theirs, while the Middle Eastern countries disagreed, leading to battles and attacks in the northern part of Jerusalem.
They were laws in the early history of the American south which legalized the segregation between blacks and whites.
Answer:
The new conditions that arise due to the World War 1 led to a scarcity of labor in the north. Though women tried to fill up the empty spaces but still there was ample vacant space. The new job opportunities attracted thousands of black Americans to move north. Secondly, blacks saw an escaping route in the north where they could expect better living conditions and less racial segregation.
It has original jurisdiction in cases having to do with ambassadors and public ministers according to Article |||, section 2 in the constitution