The answer is "wanting to disguise the truth they have uncovered."
Some historians find this tough. One of the reasons would be because not all people may or may not, like the truth. Some historians would omit some part of the truth to keep violent reactions from the readers or outsiders.
<h3>Federalists were proponents of the Constitution.</h3>
Assuming that this is a multiple choice question - it's hard to tell because there aren't any commas - <span>The Reconstruction Act of 1867 </span>divided all Confederate states into five military districts.