20 increased by 12.5% is 22.5
C. would be your answer.
Explanation: It means the government will provide ONE central defense against any attacks from outside countries/groups.
<span>made trade difficult for merchants whose business crossed state lines. :D follow me im helpfull</span>
Number 12 is C and D
Number 13 is Vietnam
Number 15 is Korea
Number 16 is the fall of the Berlin wall
Number 17 is D
