500 words please. Write a short essay on the difference between realism and idealism, isolationism and internationalism,

[answerhappygod]

500 words please.
Write a short essay on the difference between realism and
idealism, isolationism and internationalism, unilateralism and
multilateralism, preemption and provocation, and hard power and
soft power.
In doing so, consider the issue of nuclear proliferation or
violent extremism. How would the above-mentioned theories or policy
models apply to either of these issues? How are these theories or
policy models used by various international actors (nations,
leaders, or international organizations). When discussing the above
issues, how could the world benefit from different applications of
these theories by the US or other actors? Explain.