The right of the united states' national government to establish post offices, regulate commerce with foreign nations, and declare war, all on behalf of the constituent states, are referred to as which of the selections listed below?

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

the united states began searching for a way to reduce oil

-agarvated

this act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.