What does the contact hypothesis say? A. There should always be only one group in charge when several
groups are together.
B. People who dislike one another will get along if they get to know
one another as individuals.
C. Fights between groups are always going to happen when they are
together
D. Prejudice will only get worse if different groups are asked to work
together.

i would say a

Explanation:

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.