The tenth amendment
protects americans from
the

a. foreign invaders
b. aliens from outer space
c. "all-powerful" national government
d. school officials

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

The correct answer is:   [b]:   "has no atmosphere" .

Ithink its d.stratum