Answer:
B. By comparing the source to other established sources from that time period
Explanation:
A source is considered as authentic when the source is genuine which means it does not copy other sources and also when this is accurate and has been not modify with biased purposes. In primary sources, which are first-hand account sources, this quality can be proven by historians and experts by analyzing whether the elements of the source fit with the time in which they were written and the possible author, which can be done by comparing the source being studied to sources that were created during the same period of time and that have been proven as authentic, as authentic sources written during the same time share common features. Therefore, one way in which historians can establish the authenticity of a primary source is by comparing the source to other established sources from that time period.
New people come to america each year and with them they bring their believes and traditions, its hard for people to adapt their selfs to other countries so they keep practicing their own religion and while immigration keeps growing religion will too
Preemption
This doctrine is centered around the attempt to repel or defeat a perceived imminent offensive or invasion. The aim is to gain a strategic advantage in an impending (allegedly unavoidable) conflict shortly before it materializes into a crisis. Its principles include unilateralism and the use of preventative war.