In the mid-17th century of Britain, the Navigation Acts was established. <span>These acts was made mainly for safeguarding English shipping, and ensuring profit from the colonies. </span> <span>The British Government added many taxes such as Tea Act, Quartering Act, Stamp Act, etc. without allowing the participation of the Thirteen colonies. </span>
Historical evidence shows that tariffs raise prices and reduce available quantities of goods and services for U.S. businesses and consumers, which results in lower income, reduced employment, and lower economic output. Tariffs could reduce U.S. output through a few channels.