>Americans have the right to trade with foreign companies Err, foreign affairs (and thus commerce) has always been something regulated by the US government - s

>Americans have the right to trade with foreign companies Err, foreign affairs (and thus commerce) has always been something regulated by the US government - something reserved for the president unless the legislative explicitly declares otherwise. Source: https://www.law.cornell.edu/constitution-conan/article-2/section-3/the-conduct-of-foreign-relations https://www.law.cornell.edu/constitution-conan/article-2/sec... Do you know any constitutional clause or SCOTUS case suggesting otherwise?