The United States. During the Korean War, the United States was a major ally and had a major role in the war. Yes there were other allies, but the Untied States was the biggest. To this day, the United States is still in South Korea and still the largest ally that they have.
The correct answer is D) because interest groups demand that they are heard on certain issues.
Legislators most likely ask interest groups to help shape public policy because interest groups demand that they are heard on certain issues.
There are many interest groups in the United States that represent a considerable amount of citizens and have enough power to put some pressure on Congressmen to create legislation that could favor their interests. Many times, interest groups hire lobbyists to negotiate with legislators. Among the many interest groups in the United States, we can name the US Chamber of Commerce, the Sierra Club, or the National Association of Manufacturers.
The correct answer is option b) "frictional". Frictional unemployment occurs when someone quit his job before finding a new one. In this case Joe is experiencing tireness and he needs to take a break of his current work. This type of unemployment is natural and could be considered beneficial since people look for other jobs where they could be more productive.