Why was Leonardo da Vinci considered the epitome of the Renaissance Man

What made this representation of the virgin mary revolutionary

Who was the first explorer to sail all the way down the mississippi river

The battle of sabine pass is important because? a) it was a stalemate between union and confederate armies. b) it resulted in the largest confederate casualty in the war. c) it marks the failed attempt of the union army to invade the confederate state of texas. d) it was won by the union soldiers and marked a turning point in the western front of the war.