A policy that tries to avoid foreign alliances and involvement is called A) imperialism. B) isolationism. C) nationalism. D) restrictionism.

This policy is called b) isolationism.

It is the policy followed by some countries through which they refrain from entering into international agreements or making alliances with other nations.

The correct answer is B) Isolationism

Isolationism is a policy of a country that avoids economic and political relationships with other countries. Usually, leaders state that their nation's bests interests are best preserved when they keep the relationship with other countries with a certain distance. Another reason for isolationism is to avoid being drawn into conflicts - wars and trade wars.