The title of describes the president's role as head of the us federal government.

The answer is chief executive. This applies to the President of the United States who also goes by this title in government being that he is the elected leader of the government’s executive branch.  In military matters, he is the commander-in-chief.

dude you should crop your image so only the question shows. but   can you explain it better

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.