Suppose you wish to take a group of elderly people and train them to solve word puzzles. generalizing from the text, what method of training might be most beneficial?

Since it is needed that the training should involve of solving word problems, it is best to have them train in a method of asking them to solve word puzzles that will be beneficial for them in terms of logical and cognitive thinking. In having them solve these puzzles, it is best to let them answer on their own and not to interfere as they answer.

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.