What is the main function of the state department?
a. to determine foreign policy
b. to determine domestic policy
c. to determine financial policy
d. to determine military policy

A. to determine foreign policy

Explanation:

The US Department of State functions as the diplomatic wing of the federal government, handling matters of foreign affairs with other nations and international bodies. The State Department's primary job is to promote American foreign policy throughout the world.

the correct answer is history and tradition.

it would have to be gasioline