The first Thanksgiving was held in 1621 and celebrated A. The end of the Pequot War
B. The Establishment of the First English colony
C. The return of Squanto from Europe
D. The ties between colonists and American Indians

D.

Explanation:

Wampanoags and the Pligrims celebrated their first successful harvest together.

The ties between colonists and American Indians

Explanation:

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:

lancelot said to the beautiful ellen i c u r a b u t l n (i see you are a beauty lancelot was the greatest and worst of the knights who became the king's champion and undertook quests in the king's name. he became the adulterous lover of queen guinevere, and they had a son named galahad.