Question

In 2006 congress passed the _____ which authorize a system to try alien unlawful enemy combatants

Answer 1

Answer:
The Military Commissions Act of 2006.

This Act empowers the President of the USA to determine whether a person may be designated as an unlawful enemy combatant under US law.
This Act is also known as HR-6166, and it was signed by Presiden George W. Bush in 2006.