Four fighting groups engaged in war in the country of Syria in 2015, so Syrians fled the country to seek refuge in other countries
Explanation:
During war, many people get displaced. This leads to them trying to seek refuge in other parts of the country or like in this terrible situation in other countries altogether. Many civilians fled to countries around Syria and to Europe where many are waiting for the war to finally end, and some are even building new lives in countries like Egypt, Saudi Arabia, and many European countries.
I'll need a little bit more information than that, however the answer that best suits the question is: White male settlers. They were payed to settle the west.<span />