Why can the qin unified the six countries?

1. The unification of the six countries complied with the historical trend of development and the people’s demands; 2. The Qin Dynasty increased its national strength through Shang Yang’s reform and laid the foundation for the unification of the six countries; 3. Qin Shi Huang employed talents and promoted the unification; 4, donghangu, Xisanguan, Beixiaoguan, Nanwuguan. The river is its protectorate, and Xiao Mountains is its barrier mountain. The plains of the six countries are joined and the war is on.

Explanation:

answer; i believe its (cpr);

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need