isolationism
noun [ U ]
POLITICS uk/ˌaɪsəlˈeɪʃənɪzəm/ usthe political principle or practice of showing interest only in your own country and not being involved in international activities:
The coalition called for freer trade in global markets and warned against isolationism.
Compare
globalism
isolationist
adjective [ C ]
We are not isolationist, nor do we reject relations with other states.