Please help Which of these were results of the arm race? Check alll that apply world tensions increased

More-destructive weapons were created.

People felt confidence in the future.

Nuclear energy was.
developed as a power source.

European unity was achieved.
ICBMs were developed.

a,c

Explanation: when the weapons were made it made the people want to fight more and then when nuclear energy was developed everyone wanted it for themselves

answer; i believe the correct answer is (favorable balance);

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.