I’m assuming you’re talking about the Spaniards and the Aztecs. If not correct me and I’ll fix the answer. Basically it was, Disease (smallpox) More advanced weapons. The spanish language. Catholicism. Domestic animals, sugar, grain, and they helped end the practice of human sacrifice.
The catholics of England and Ireland settled in the east of North America, or even America, more commonly the New England region.
Answer:
The unsuccessful August 1991 coup against Gorbachev sealed the fate of the Soviet Union. Planned by hard-line Communists, the coup diminished Gorbachev's power and propelled Yeltsin and the democratic forces to the forefront of Soviet and Russian politics.