Answer:
The Spanish campaign against the Aztec Empire had its final victory on 13 August 1521, when a coalition army of Spanish forces and native Tlaxcalan warriors led by Cortés and Xicotencatl the Younger captured the emperor Cuauhtemoc and Tenochtitlan, the capital of the Aztec Empire.
Explanation:
economic idk specifically what u mean by effective but in effective in damage there was a lot to be rebuilt after the war and the cost of bullets and guns was bad to
the answer is that the south had little resources and the North had the lot
