Colonial era: british
WW1: American
WW2: British (America for the atom bomb... but thats just one weapon. and they massed produced everything else really)
after that: AMERICA!!
Authoritative
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Answer:
It negatively affects trade and tourism. Violence makes people not want to come to a nation or area. Terrorism is a push-factor in many areas.
Explanation:
The answer is E
The two generally operate separately, although federal courts may overrule state court decisions that violate the US Constitution or federal law