What features of the original Constitution of the United States of America were the most progressive, extraordinary, and enduring? Why?

What kind os source would a historian use to get a firsthand account of a past event

The congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defence and general welfare of the united states . .; to borrow money on the credit of the united states; to regulate commerce with foreign nations, and among the several states, and with the indian tribes. —constitution of the united states, article i, section 8 which of these are expressed powers granted by this part of article i, section 8? check all that apply. lay and collect taxes and duties pay debts regulate american indian groups regulate commerce within states borrow money regulate commerce with foreign nations

Which organization created jobs for blacks, whites, and native americans, improving parks, roads, and buildings? civil rights movement women’s movement environmental protection agency civilian conservation corps