Which explains how the patriot act has stop many terrorist plots?

it has law enforcement agencies keep threats from the public.
it has made it easier to communicate with foreign governments.
law enforcement agencies effectively share more information about terrorists.
law enforcement agencies effectively investigate each other for corruption.

"Law enforcement agencies effectively share more information about terrorists."

Explanation:

The USA PATRIOT Act, is a federal law of the United States. It was approved by an overwhelming majority by both the House of Representatives and the US Senate and then promulgated by US President George W. Bush on October 26, 2001, after the attacks of September 11, 2001.

The objective of this law is to expand the control capacity of the State in order to combat terrorism, improving the capacity of the different US security agencies by coordinating them and providing them with greater powers of vigilance against terrorist crimes. The law also enacted new crimes and toughened the penalties for terrorism offenses.

The Patriotic or Patriot Act, as it has been denominated in Spanish, has been harshly criticized by various human rights organizations and organizations, due to the restriction of liberties and constitutional guarantees that it has supposed for citizens, both American and foreign.