D as some countries don’t have certain things as other countries have more than they need so they trade the item for another item.
Answer:
Government can play a role in reducing negative externalities by taxing goods when their production generates spillover costs. This taxation effectively increases the cost of producing such goods. ... The use of such a tax is called internalizing the externality.
The answer is C merit became the basis of all civil service jobs
Answer:
Mesosystem
Explanation:
In the context of the ecological systems theory of development, the mesosystem involves the interactions of the various settings within the microsystem. For instance, the home and the school interact during parent-teacher conferences
Answer:
Evidence suggest that veterans are likely to suffer Post-Traumatic Stress Disorder.
Explanation:
By definition war implies to suffer traumatic situations where the life of the veteran is in danger and she or he doesn't have control over the situation. Some of the symptoms suffered by veterans, as follows:
- Difficulty sleeping and concentration
- Fear for personal safety
- Overreaction to inesperate situations
Exists severals challenges for veterans: inclusion to the labor market, overcome to psycological conditions and find a life purpouse are the most common issues that face veterans according to recent research.