I would go with A, "It proved the Articles of Confederation were too weak."
Explanation:
Shays's Rebellion exposed the weakness of the government under the Articles of Confederation and led many—including George Washington—to call for strengthening the federal government in order to put down future uprisings. I hope this helps!
Answer: yes. One could argue that Carnegie is a hero for his ever so gracious donations to things such as libraries, pension funds for teachers, and to universities.
