Actions that would be prevented by the First Amendment of the US Constitution would be acts that violate rights that include the freedom of religion, speech, petition, press, and peaceful assembly. Examples of actions that violate this amendment would be preventing a certain group of people from practicing their religion, not allowing free and peaceful protest of a situation, not allowing people to speak out their own ideas, and etc.
An immediate cause of the Springtime of the Peoples was the revolution in France which eventually lead to a democratic government in France. This also caused discomfort in various other nations found around Europe who were inclined to gain independence for themselves.
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"Stop and remained stopped as long as the red lights are flashing"
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(Brainliest)
The Federalists believed that Democratic-Republican criticism of Federalist policies was disloyal and feared that aliens living in the United States would sympathize with the French during a war. As a result, a Federalist-controlled Congress passed four laws, known collectively as the Alien and Sedition Acts.