Answer:
nuclear weapons
Explanation:
The Manhattan Project was a research and development during WW11. It was led by the US with the help of Canada and the UK
Answer:
The Peloponnesian War ended in victory for Sparta and its allies, but signaled the demise of Athenian naval and political hegemony throughout the Mediterranean.
Persecuted in England for his Quaker faith, Penn came to America in 1682 and established Pennsylvania as a place where people could enjoy freedom of religion. ... Penn obtained the land from King Charles II as payment for a debt owed to his deceased father.
