The relationship between the United States and Latin America was limited in the late 1800's, although there was some contact because of wars where the U.S stepped in, like the short Spanish–American War of 1898.
Many politically active artists worked for the New Deal projects. United by a desire to use art to promote social change, these artists sympathized with the labor movement and exhibited an affinity for left-wing politics ranging from New Deal liberalism to socialism to communism.
No I don't believe so they are. Here is a link to something that says more on it. I hope this helps!
https://en.wikipedia.org/wiki/Speech_or_Debate_Clause
Answer:
incorporated into laws by either the state or federal government.