Conversation so far:
When did Emiliano Zapata first begin to feel pressure?
the disintegration of the revolution outside of Morelos put pressure on the Zapatistas.
Was he the leader of the group?
As General Arenas had turned over to the constitutionalists, he had secured peace for his region and he remained in control there.

Question: How did he handle the pressure beyond this? What were his plans?
Self-contained rewrite: How did Emiliano Zapata handle the pressure beyond remaining in control of the region? What were Zapata's plans?