The country that restricts travel to American citizens specially for the reasons like journalism and research is CUBA. in 1960's, restriction on travel constitute a key and contentious component in the U.S. to isolate Cuba's communist government.
This behavior is an example of Moral hazard
.
Option A
<u>Explanation</u>:
Moral hazard is a behavior occurs when a person increases his/her exposure to risk when insured or have a financial assistance. In this situation ''person takes more risks" because someone else is there to bear cost of risks. In the above situation, Martha used to spend less before but when she got the scholarship she started spending more as having a financial security of scholarship. Other options - pecuniary externality, the paradox of thrif and the free-rider problem are incorrect as do not have any relevance with the case of Martha.
Answer:
The cultural environment.
Explanation:
A cultural environment is a set of beliefs, traditions, rituals, and behaviors that are considered common to all of those who live within a specific population. The way each individual develops influences the cultural environments, resulting in developing philosophies and personalities. The importance of cultural environments is specific to a particular culture, period, and location. Depending on the time period, those values will differ.