Freud believed that if children are unable to gratify themselves in a particular stage of development, or if they are over-gratified in a particular stage of development, may occur.

Fixation

Explanation:

Fixation defined by Freud as the anachronistic development sexual traits in humans i.e., the sexual traits not being developed at the time it should develop.

According to Freud there are three reasons for fixation

Not getting enough gratification in the stages of psychosexual development.

Getting an impression which is very impactful, reflects in the person throughout their life.

If at an early age there is strong manifestation of the instincts it will lead to partial fixation.

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.

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