Americans created the articles of confederation because they wanted

The States purposely created a weak central government under the Articles of Confederation because of their fear of any kind of powerful central government. The Articles of Confederation, the first constitution of the United States, was in use from 1781 to 1787.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration