Answer:
We can thank geography for that. If you look at a map of Eurasia, you can see many massive mountain ranges and rivers, all of which separate early tribes apart. When one tribe is split apart for long enough, the people in each tribe develop their own distinct and unique identity, which also includes languages. There are several very interesting researches on this phenomenon online if you look deep enough and I do recommend you check them out, it's quite the fascinating read.
I believe the greatest reason for Nazi defeat was "Operation Barbarossa," which violated the Nazi-Soviet Non-Aggression Pact. I think Nazi Germany wasn't ready for a war with the Soviet and this is proven by the Nazi's underestimation that the Soviet Union was weak.
In 1532 Francisco Pizarro and his men overthrew Atahualpa, the Inca leader, claiming Peru. In 1538 Francisco Pizarro had a fight with Diego Almagro, an expedition partner that he had known for many years. Francisco had Almagro killed. Francisco Pizarro, along with many of the conquistadors, was known to be very cruel.Francisco Pizarro (1475–1541) was one of the most successful Spanish conquistadors. He then founded the Spanish colony of Peru, ruling former Inca territories there until he was assassinated by followers of a rival conquistador in 1541.
Francisco Pizarro was a Spanish explorer and conqueror who is credited with bringing down the Inca Empire in the 1530s, becoming rich from the gold and silver he took from the Inca Empire. He was born into poverty in approximately 1476 in Turjillo, Spain to Captain Gonzalo Pizarro Rodriguez de Aguilar, a poor farmer, and Francisca Gonzalez Mateos. Francisco did not receive any formal education and grew up illiterate. In 1509 Francisco Pizarro set sail with Alonzo de Ojeda, departing from Spain for the New World. Over the next several years Francisco Pizarro would establish himself in the New World as Panama City's mayor, and eventually conquering the Incan Empire, becoming very wealthy.
There you go!
