David Wilmot was a Pennsylvania-born congressman who opposed slavery. His "proviso"—a clause tacked on to a number of legislation being debated in Congress—prohibited slavery in all of the new territory won from Mexico following the Mexican War. Although the proviso was well-liked in the North, it was vehemently opposed by the South and never became a part of the legislation. It declared that slavery would be outlawed in any new area that the United States might take over from Mexico. The argument over whether slavery still exists in the West was rekindled.
The correct answer is A television station airs a speech by a candidate for an elected position
Explanation: Interest Groups are organizations or groups set up to defend specific interests through the use of pressure on public authorities. Interest groups or lobbies pursue their goals by exerting various forms of direct pressure on decision-making bodies.
Based on the examples the only one that match with that is the second one.
B is the correct answer.
While the Indus Valley has gotten more attention in recent years, it is not considered one of the three classical civilizations.
Are there any answers to choose from if so pleese provide them
A because the war propaganda made it hard for anyone to sell anything
