Which location was associated with political machines in the 19th century? A. Tammany Hall in New York City B. Haymarket Square in Chicago C. Independence Hall in Philadelphia D. Ellis Island in New York City

A is the correct answer.

The location that was associated with political machines in the 19th century was Tammany Hall in New York City. It was formed in 1789 as an opposition party to the Federalists was was not considered extinct until 1966.