John rolfe taught the jamestown settlers how to plant and harvest tabacco which saved the colony's economy
Germany, Italy, and Japan had settled an alliance were they would not get into each other's way when expanding territory. The main reason why the axis powers were able to gain control of a large part of Europe was due to the League of Nations feeding Germany trying to keep peace and stop them without causing a war, sadly failing while in the process.
The genocide of the European Jews. so your second sentence is correct
the capital of Nevada is Carson City
Christopher Columbus wanted to go to Asia but their navigation was not that great so he ended up in America. When he got to America he started to sail back goods that were in America to Europe to the Americas. That's how America got horses, cows, and pigs. They also got other things like oranges, sugar cane, and disease.
Hope this helped :-)