"Useful primary source document" is the one among the following choices given in the question that <span>accurately describes a letter written during the time a historical event occurred. The correct option among all the options that are given in the question is the last option or option "e". I hope the answer helped you.</span>
Mainly to prevent every other country from attacking them, instead of supporiting them in wars
Stalingrad and the Battle of the Bulge
Joint Resolution proposing 17th amendment<span>, 1913. ... </span>Passed<span> by Congress May 13, 1912, and ratified April 8, 1913, the </span>17th amendment<span> modified Article I, section 3, of the Constitution by allowing voters to cast direct votes for U.S. Senators. Prior to its passage, Senators were chosen by state legislatures.</span>