Answer: because it was the day black people were free from slavery
Explanation:
The American West was indeed a land of great opportunity from 1865 to 1900 in the sense that there was an abundance of land and resources available to all those willing to go west.
Increasing estrangement between the colony and England resulted in the annulment of the company's charter in 1684 and the substitution of royal government under a new charter granted in 1691. The charter of 1691 merged the Plymouth colony and Maine into the Massachusetts Bay Colony.