Why did the articles of confrontation have to be replaced by the constitution

It was ratified on "March 1, 1781", they had to be replaced by the Constitution post the "Constitutional Convention in 1787". The constitution came to effect by replacing the articles in 1789, as the articles had a number of weaknesses as they gave states too much power, specifically more than the federal government

the population grew a lot and was making more money

the correct answer is d) he deserved the title after his leadership in the battle for independence.

agustin de iturbide was a mexican army general and politician. he to win the war of independence from spain. because of that win he was proclaimed emperor of mexico and crowned in 1822, his reign didn’t last long, in 1823 he abdicated and departed for europe, because of that he was declared a traitor and in 1824 he was executed by a firing squad.