According to Polk, what steps had the United
States taken to avoid war with Mexico

u.s.a

china

india

and

japan

need more info

explanation:

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.

b. young children below the minimum age were working