I think the answer is between b and c. But the answer that I heard of in history class would be C. The fact that immigrants took away high paying jobs from union members.
Hope this helps!!
The collapse of the cattle kingdom. A combination of factors brought an end to the cattle kingdom in the 1880s. The profitability of the industry encouraged ranchers to increase the size of their herds, which led to both overgrazing (the range could not support the number of cattle) and overproduction. but i think this may help
1.anti-Semitism
views, actions, or policies that discriminate against Semites (descendents from some ancient Asian peoples, including Jews and some Arabs)
2.encomienda
colonial Spanish economic and social policy
3.Inquisition
a time of intense Catholic persecution of those who did not hold to traditional Catholic beliefs
4.nationalism
a strong sense of love and devotion toward a nation
5.pogrom
a planned strategy to kill off a minority or ethnic group within a country