Has played a powerful role in world affair
I believe it is New Zealand. This may be incorrect, but I'm confident about my answer.
because he was powerful
He thought since America is such a powerful country it was our job to be the "police" of the world. Since we're so powerful he figured their business is our business.
Shack stanwhich
A worlds powerful country is termed as it is powerful in all department. It should rule the world
Usually through foreign affairs.
They are so powerful because US is such a powerful country.
Sexuality is a very powerful human instinct, hence, it has great influence on human affairs.
Isolationism is a policy of not being involved in world affairs. This means a country does not bother itself with worrying about the welfare of other countries.
The U.S.
India