Why did the delegates decide not to revise the articles of confederation

Because the article of confederation was not effective and couldn't unite the New America

Explanation:

The Articles of confederation was made when the United states of America got there independence from The British. it was adopted as the First constitution of the original 13 states that made up the United states then. the delegates decided to replace it after sighting its ineffectiveness and its inability to successfully unite the American people .

The ineffectiveness of the articles of confederation was proven in various events like the Northwest ordinance, the Shay's Rebellion and other events. the need for a stronger Federal Government led to the constitutional conference which led to the replacement  of the articles of confederation. with a proper constitution

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

explanation:

7 - to develop an asian ally

11- the red scare

14   the power of military -industrial complex

17 - the economy grew quickly

24 - the separation of church and state was not important