I think philosophy, science, and communication
The answer would be <span>A. to prevent a communist takeover of South Vietnam</span>
Answer: Food and Drug Act
Explanation: Within months, two pieces of legislation resulted from Sinclair's novel: The Pure Food and Drug Act and the Meat Inspection Act, both signed into law on June 30th, 1906. Sinclair was an instant celebrity and a Socialist hero, and was finally financially stable.
Answer: B.) The return of Mexican lands held by the United States.
Explanation: