Facing Zhu Yuanzhang’s probing questions, Ma Yu held up two fingers and said, "First, the north-south division; second, the rise of the gentry clans."
Zhu Yuanzhang frowned. "What does that mean? Speak more clearly."
Empress Ma and Zhu Biao were also puzzled. They could somewhat grasp the idea of the rise of gentry clans, but the north-south division left them without a clue.
Chapter 48