The 23rd president of america was Benjamin Harrison
Using irrigation system was the practice closely associated with most ancient river valley civilization.
Answer:
THERE ARE 10 REASONS WHY AMERICA'S FIRST CONSTITUTION FAILED
THE STATES DIDNT ACT IMMEDIATELY
THE CENTRAL GOVERNMENT WAS DESIGNED TO BE VERY VERY WEAK
THE ARTICLES CONGRESS ONLY HAD ONE CHAMBER AND EACH STATE HAD ONE VOTE
CONGRESS NEEDED 9 OF 13 STATES TO PASS ANY LAWS
THE DOCUMENT WAS PRATICALLY IMPOSSIBLE TO AMEND
Explanation: