The transatlantic slave trade was really a triangle. Here's a map to show the approximate routes. The trade was brought about to benefit the economy of Caribbean nations and Europe. The slaves were forced into awful conditions; cramped boats and harsh climates with which to toil away picking cotton or whatnot.
The major split in Islam is that between the majority Sunnis and the minority Shiites. The split goes back to events in the 7th century: After Mohammed's death in 632, leadership of the Islamic community passed to Abu Bakr as-Siddiq, one of Mohammed's closest companions
The financial crisis happened because banks were able to create too much money, too quickly, and used it to push up house prices and speculate on financial markets.
The power to control appointments to office or the right to privileges
hope this helps