The Ku Klux Klan resurfaced in the 1920s with a deep hatred towards immigrants. The Klan if the 20s was far less focused on racial issues (a hallmark of the first Klan) and more so an a "real" and "true" America. This nativist leaning most often targeted newly arrived immigrants but also Catholics, Jews, and anti-Prohibitioners - people who they feared were disrupting the moral fabric of America.
Answer:
It provided water and rich soil.
It served as a transportation route for goods.
It prevented other civilizations from invading.
<span>The boundaries of eras are marked by great worldwide changes in </span>Life. What this means is that the way life forms work or exist changes drastically.
Most people converted to Islam because it was a very tolerant religion and it appealed to many. However, since the question is asking what "burden" was an influence, the only one I can think of would have to be the jizya. The jizya was a special tax that non-Muslims had to pay to live under Muslim protection in Muslim lands; if they convert to Islam they wouldn't have to pay it.