William Tweed's legacy is most likely most closely tied to answer D) a criminal who took bribes and stole money to get rich. William Tweed was a "political boss" in the 1800s who was leader of the Democratic Party's political machine known as Tammany Hall.
The answer is b Because huge sheets of ice formed over the earth and lowered the sea level exposing a strip of land that allowed ancient people to cross over to Alaska.
No military protection
May not like the customs
Language barrier