William Penn was relatively nicer than any other group of settlers. He actually bought land from Indians instead of stealing the land. He respected Indians and didn't believe in enslaving them. He would also sign peace treaties with nearby tribes.
Answer:
vaccination
Explanation:
Louis Pasteur had been working to find a vaccine that would cure cholera in chickens. His lab assistant gave an older, weaker strain of the disease to the birds. When these birds did not die Pasteur began to rethink his ideas a came up with our current method of administering vaccinations.
There have been a lot of historical events that are important to American citizens. One thing you could write about is suffrage, the right gained for women to vote. Obviously, that is important to American citizens because now women are allowed to vote.
The Provisional Government chose to keep Russian troops involved in WW1 after the Russian revolution (1917) because, having made promises to its allies in 1914, believed they should honor them.
This resolution ultimately proved fatal. In June 1917, the Provisional Government ordered an attack on Austria, which failed. After that, people started to turn against the government. By the end of July 1917, the Provisional Government was almost powerless.