The Articles of Confederation created a one branch of government consisting of a national legislature called "the Congress," although it should be noted that this Congress was very different from what it is today.
The answer is a. Fight against each other
The most economic event was the civil war i hope this helps
The Song Dynasty practiced Buddhism whereas the Tang banned the religion and persecuted those who followed it during the later time of their ruling. The Tang Dynasty also had expanded their empire and even reformed civil service. The Tang expanded and conserved their power by establishing tributary states. They had a stronger more powerful military when compared to the Song. The Song Dynasty ruled a smaller empire during their time that primarily relied on sea power. Their military power was weaker than what the Tang Dynasty’s was.