Explanation:
The upheaval was caused by widespread discontent with the French monarchy and the poor economic policies of King Louis XVI, who met his death by guillotine, as did his wife Marie Antoinette.
Martin Luther was primarily opposed to two major things.
The first was the sale of indulgences by the Catholic Church. This was a huge revenue stream wherein you could pay off your sins, no matter how large.
Next, Luther also believed that the Bible alone was the source of divine knowledge and that faith only saved, while the Catholic Church believed in a variety of divinely inspired texts and that faith + good works was the key to salvation.
A. Is the correct answer. Located between two rivers,
Critics of the Articles of Confederation argued that it was far too "weak" in the sense that it didn't give the federal government enough power over the states. This became especially evident after Shays' Rebellion, which proved very difficult to put down.