At the constitutional convention, the ineffective scrapped in order to create a new government

What clause(s) expanded the power of the executive branch, especially relating to foreign policy?

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Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)