It helps them determine whether an assertion made by one source is likely to be true.
FOR FARTHER EXPLANATION
Corroboration is the skill of comparing multiple sources regarding an event to find the most consistent and valid version of the event.
Political scientists would use corroboration to determine political results, polling, campaign progress, as well as bill development. A study on the passage of the Affordable Care Act for example would pull together versions of the bill as well as party opinions on the bill. In writing an assessment on the bill, the political scientists would look at all of the information and come to a conclusion.
The was a song from the show called "The Charleston" and it was done in a style similar to Ragtime music. Ragtime music was popular up until the late 1910s and was a heavy influence on dance music of the early 1920s, while jazz heavily influenced dance music in the late 1920s.
This is right
the Scopes Trial was about whether it should be legal for evolution to be taught in schools, since it directly goes against the beliefs of Christianity. Many Christians (most of whom were conservatives) were outraged at the idea of evolution being taught in schools.
So, I believe the correct answer is A.
They were soldiers and had been slaves before
It goes both ways. A full on invansion of Japan would’ve costed a lot of lives perhaps more than the bomb killed but on the other hand many innocent lives were lost with the dropping of the bomb