What is the policy in which a country closes itself off from other nations’ issues?
a. globalism
c. federalism
b. isolation
d. internationalism

b. isolation

Explanation:

Isolation is a foreign policy used by countries that consider that they should be away from other countries problems to avoid conflicts. This policy also avoids commercial agreements as these countries don't want to enter to any type of international alliance. According to this, the policy in which a country closes itself off from other nations’ issues is isolation.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

answer; intentional; outrageous;