What important laws were made under the articles of confederation?

answer:

under the articles, the national government consisted of a unicameral (one-house) legislature (often called the confederation congress); there was no national executive or judiciary. delegates to congress were appointed by the state legislatures, and each state had one vote.the land ordinance of 1785 (laws passed by the continental and confederation congresses are called ordinances) and the resulting north west ordinance of 1787 are the most long lasting as they provided for the disposition of public lands and procedures for organizing territorial governments in the lands west of   in the lands west of the appalachian mountains.  

explanation:

because mexico wanted to choose a centralized location

they wanted the u.s. to fight on the side of the central powers.