Witch compromise kept the balance between slave states and free states (a) the missouri compromise (b) the compromise of 1850 (c) the compromise tariff of 1833 (d) the grate compromise

A. The missouri compromise

May I have brainliest please? :)

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

which time period is this? or is this story fictional, i'm going to need more info to answer this question