Answer:
I think it was christopher columbus.
Explanation:
Christopher Columbus is credited with discovering the Americas in 1492. Americans get a day off work on October 10 to celebrate Columbus Day.
The correct answer to the question above would be domesticating animal and agriculture. The first great leap for humans was domesticating animals and agriculture. Humans domesticated animals for food and clothes. It made the human beings more of a community that is full of culture.
IT was the center of learning and knowledge, with Greek texts being discovered and imported by Arab scholars. Further, people like the Medici, who sponsored many artists during the Renaissance, were very wealthy, and able to pay people for works of art that they wanted commissioned.

King Otto l was was German king from 936 and Holy Roman Emperor from <em><u>962</u></em> until his death in <em><u>973</u></em>. He was the oldest son of Henry I the Fowler and Matilda.
Otto inherited the Duchy of Saxony and the kingship of the Germans upon his father's death in 936. He continued his father's work of unifying all German tribes into a single kingdom and greatly expanded the king's powers at the expense of the aristocracy. Through strategic marriages and personal appointments, Otto installed members of his family in the kingdom's most important duchies. This reduced the various dukes, who had previously been co-equals with the king, to royal subjects under his authority. Otto transformed the Roman Catholic Church in Germany to strengthen royal authority and subjected its clergy to his personal control.
Father -- Henry the Fowler
Mother -- Matilda