The Articles of Confederation was different from the Constitution because...

The Articles of Confederation was different from the Constitution, because it only provided a loose alliance between the states (mostly for trading purposes), and created a figure-head federal government that was given no power at all, either to print currency, handle political relations, or even raise an army.

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i also think it is c

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.