What was the purpose of the cotton gin popularized by Eli Whitney? A
to increase the speed of weaving cotton textiles
B
to automate the process of picking cotton bolls
to efficiently separate cotton seeds from raw cotton
D
to improve the quality of thread spun from cotton

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:

i think that the answer is polishing peanuts