Central powers, war war 1 coalition that consisted primarily of the German Empire and Austria-Hungary the central
It depends what time period, but during ww2 or ww1 really, America's people were afraid of communism and groups like the America first committee and other groups were created to keep america isolationist. We did not want to intervene with war, but it was inevitable because we had trade relationships, which in both wars, were at risk.
If you're referring to new non-European states that have risen since the Cold War Ended, then the effect has perhaps been minimal in terms of their daily lives, but if they have close relations with the US it would mean a stronger connection.
