Who was the first explorer to sail through the indian ocean to india
a. christopher columbus
b. vasco nunez de balboa
c. vasco da gama or
d. hernando cortes

Erugent which russian tsar defeat napoleon and saw himself as the leader of european monarchs who opposed revolutionary change ivan the terrible ivan the great nicholas 1 alexander 1

Explain why hitler had over 6 million jewish people killed during the holocaust and what did it hope to accomplish

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?