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.
Answer: The World War 1 experience impacted hugely on U.S. culture, domestic politics and society. The war also resulted in an increased demand for weapons abroad. This led to increased profits and heightened productivity in the American steel industry. World War 1 ushered in an era of using chemical weapons.