An enzyme is a catalyst that helps to speed up the rate of a reaction by lowering the activation energy of a reaction. There are many enzymes in the human body, without which lots of important reactions would never take place. Cellular respiration is one example of a reaction that is catalysed by enzymes.
Sullivan Act Tim Sullivan, a major Irish criminal passed the Sullivan Act in 1911 to help his constituents rob strangers or to help them against Italian incomers. That is the crux of story that goes with a very early gun control law.
USA Patriot Act. The USA Patriot Act is an antiterrorism law enacted by the U.S. Congress in October 2001, at the request of then-President George W. Bush in response to the terrorist attacks that took place on Sept. 11, 2001, in New York and Washington, D.C. Often referred to simply as the Patriot Act, it was signed by Bush on Oct. 26, 2001.