Although it is often an inexpensive source, are sometimes not adequate to meet the needs of the researcher since they were acquired for some purpose other than the research question at hand.

External secondary data

Explanation:

External security data is the data that is gathered and stored by employees , organization or any other person outside the organizational area.This data and information is collected through from other organization.

According to the question, external secondary data does not always fulfill the requirement of research as the collected data is not meeting the expectations of the research because it might have been gathered for some other reason as primary data.

answer; /// (culture);

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.