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.
Four punitive measures on the American colonies enacted by British Parliament in the spring of 1774 were the Intolerable Acts, also called the Coercive Acts. The British government was responding to the rebellious behavior of the colonists who participated in the Boston Tea Party. On Dec. 16, 1773, a group of Bostonians threw 342 chests of tea from British ships into Boston Harbor to retaliate against a tea tax imposed by Parliament.