The usa patriot act expanded the federal government's ability to investigate americans without establishing probable cause for purposes.

Intelligence purposes.

Explanation:

US Patriot Act was made a law on October 26, 2001 by US president George W. Bush. Its main purpose is to discourage and punish terrorist acts in USA  and empower the law enforcement investigatory tools.

Its full form is "Uniting and Strengthening America by Providing Appropriate Tools Required  to Intercept and Obstruct Terrorism Act" of 2001. Although it empowers the Law enforcement agencies it also violates the fourteenth amendment as it allows the government to conduct a search . Feingold was the only senator that voted against this act.

d)to gain support for the independence movement.

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the structure was most likely used for;

c. playing a ball game with stone hoops