The trans Atlantic slave trade was the largest movement of people in history.
Answer: between 10 and 15 million Africans
The annexation of Texas, a slave state, raised a lot of tension because it ruined the balance of power between the North free states and the South slave states.
Constantine moved the capital of the Roman Empire because of how dangerous it was to live in.
Mohammed made explicit calls to treat people of other monotheistic faiths as brothers and sisters in religion. The most famous is the hadith where he asked Christians and Jews to pray alongside him in the mosque (even if they had no intention of converting to Islam). It is important to note, however, that he did not extend this tolerant attitude to the pagans, polytheists, and spirit doctors that he encountered throughout Arabia. Therefore, although he was incredibly tolerant for his period in history, he would not be considered tolerant by modern standards
B) immigrants from ireland increased by 300%
