Answer:
The Columbian exchange
Explanation:
is also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
Hitler describes Jewish people as vermin to the Master race. He recommended exterminating the Jews.
The answer should be the first 3
By strengthening alliances with Benouin tribes.
The Habsburg family rose to power and took control of the Holy Roman Empire
