I know that "average American" is a loose expression, but I did not find a better way to mean an American citizen that in this case is not interested in international relations, that is not Cuban-American, etc... For example, what percentage of people at US knows that UN has approved a resolution against the Cuba Embargo 28 years in a row since 1992? And that the only countries that have consistently voted against this resolution (that is, for the embargo) are US and Israel? (In 2016, 191 out of 193 countries approved the resolution; US and Israel abstained that year)
I am not asking if it should matter to the US domestic decisions. I am asking if this information is broadly available to the US citizens.