According to the doctrine of preemption, which statements is true?

The doctrine of preemption is based on the supremacy clause. The doctrine essentially states that if a federal law preempts state law, then the state law is declared invalid. Therefore, a federal court may require a state to refrain from enforcing the law if the behavior conflict with federal law.

Explanation:

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

assuming that by westerners you mean americans. that they were mean and controlling and abusive to its peasants.

explanation: