What were weaknesses of the articles of confederation

The northwest ordinance guaranteed three rights for the settlers of the northwest territory. what were they?

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.

What is the line drawn on a production possibilities graph called?