What is one way that historians can establish the authenticity of a primary source?
question 2 options:
by conducting endless chemical tests on the source to establish its reliability
by comparing the source to other established sources from that time period
by relying on the claims of the archaeologist who discovered the primary source
by relying on information provided on personal blogs or government websites

The correct answer is 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.

when reagan refers to freedom in this passage, he uses repetition as a rhetorical device. repetition is when the same words or phrases are repeated few times to make an idea stronger and more unforgettable. in this case, when he talks about freedom, he starts the sentence whit this word followed by a verb in present simple and after an advantage of being free.

explanation: