Final answer:
Since July 1, 1992, legislation regarding illegal immigration, public assistance to undocumented immigrants, and prohibition of intoxicating liquors, along with the control of illegal substances, have been major legal points of discussion and action within the United States.
Step-by-step explanation:
Since July 1, 1992, it has been illegal to support or assist immigrants in entering the United States illegally according to proposed legislation. Although the proposal to make such actions a felony died early in Congress, it laid the groundwork for discussions on immigration law and public response. This sentiment echoes past regulations, such as during Prohibition when Americans could not legally sell, transport, or import intoxicating liquors for beverage purposes (effective one year after the ratification of the 18th Amendment, until the repeal by the 21st Amendment in 1933).
Additionally, the controversial California ballot initiative, Proposition 187, proposed making it illegal for undocumented aliens to receive public benefits, such as schooling or health services. This initiative was ultimately determined to be preempted by federal laws regarding immigration enforcement. Similarly, legislation surrounding the prohibition of illegal substances like marijuana began in the early 20th century, affecting immigration communities and influencing societal perceptions.