Which section from the article Henry Clays American System sought to improve economy best explains why some people opposed the american System?

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

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a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same