Which of these communists nations is currently attempting to build nuclear weapons despite restrictions by the u. n? russia, china, north korea, or cuba.

North Korea is attempting to biuld nuclear weapons.

Option: North Korea

Explanation:

North Korea is one of the communist nations which is currently attempting to build nuclear weapons despite restrictions by the U.N. in 2006. Every nuclear test of North Korea has brought on a debate about how to rein in the North Korean regime. The tests warn China and other nations since the Soviet help to build a civilian nuclear reactor in Pyongyang. The purpose for tests is to support the regime with strong military power, also for maintaining an equal status as the United States.  

the authority to tax.