It was the Judiciary Act of 1789, the first time a law was declared unconstitutional
Hinton R. Helper's 1857 book, THE IMPENDING CRISIS OF THE SOUTH: HOW TO MEET IT, an appeal to non-slave holders to resist the planter was suppressed in the South. The book staged a strong attack against slavery.
Those people who were found with the copies of the book were beaten up and lynched.
The sugar act was the first tax on the American colonies imposed by the British Parliament.
~I hope this helped~ :)
Answer: The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.