"I still believe that to this day: Americans can do anything. When we pull together, there's no challenge we can't overcome."
Americans are not free to in dealing with Cuba as they are with other countries ..
two bits
At present, the embargo, which limits American businesses from conducting business with Cuban interests, is still in effect and is the most enduring trade embargo in modern history. Despite the existence of the embargo, the United States is the fifth largest exporter to Cuba (6.6% of Cuba's imports are from the US). However, Cuba must pay cash for all imports, as credit is not allowed.[8
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The current regulation does not limit travel of US Citizens to Cuba per se, but it makes it illegal for US Citizens to have transactions (spend money or receive gifts) in Cuba under most circumstances without a US government Office of Foreign Assets Control issued license.
F6 .. the one this replies to is the top of your "linked in" list here