According to piaget, children who can classify or divide things into different sets or subsets and consider their interrelationships are in which stage of development

The correct answer is the concrete operational thought. This is being defined as a way of children to be able to perform concrete operations by having to reason out in a more logical manner that is applied to specific examples or concrete examples.

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.

try something like republic or democracy joined or something because its talking about a election party.