Im going to say d but I'm not sure
Answer:
In fact, immigrants contribute to the U.S. economy in many ways. They work at high rates and make up more than a third of the workforce in some industries. Their geographic mobility helps local economies respond to worker shortages, smoothing out bumps that could otherwise weaken the economy.
I believe your answer would be C! Hope this helps =]
Answer:
Intimidation but mainly through propaganda.
Explanation:
Just learned this a week ago haha.
A possible reason was the attacks on them by crusaders and mongols around the 11th and 12th centuries. Another reason could have been the Arab rulers removing taxes from non Muslims and doing other things that hurt there income.