Which concept best describes the following events?

a. creation of the us constitution
b. election of 1800
c. the second great awakening
d. cotton gin

answer; the correct answer to the above statement is world trade center towers were build///110 story north tower of the original world trade center was

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:

the answer is c.

i hope this .