All of the above. Many people left Eastern Europe for fear of religious persecution (this was around the time of WWII). People from Western Europe left because as America became a "land of opportunity" and capitalist venture, they saw many golden chances to make millions of dollars through the heavy industrialization of the northern states, like Michigan. Political freedoms were also a chance for people to have their voice heard and help others through legislation and politics. Finally, many people (even today) leave their countries to raise their kids in a 'safer' environment than their native countries (this is especially true for people immigrating from Central America, where gang violence is widely present) and in order for their kids to recieve a better education.
Answer:
d went on fact finding adventures for kublai khan
When a measles epidemic broke out at the mission in November 1847, many of the Indians were killed while the white newcomers survived. The Cayuse suspected that the Whitmans and their foreign religion were the cause of the fatal disease. The Whitmans and eleven other whites were killed by the Cayuse, and the mission was burned down.
Maybe they had good harbors and good trading goods
There will be cold wars, as political tension is really high between the two
