Americans began to fear foreigners and recent immigrants because of the

Americans started to fear migrants due to an observation that the outsiders were a danger to American employer stability. There is a felt that outsiders discourage wages, and this influences the American laborer. 
They started to fear them since nonnatives possibly socialist and they didn't know who was who and they felt that communists were attempting to assume control over the assembled states

D. is righta is wrong because consumers can be carnivores and omnivores not just herbivoresb is wrong because producers are plantsc is wrong because producers are plantsso d is righthope this !