Which nation has threatened world security in recent years because of its interest in becoming a nuclear power?

North Korea

North Korea (Democratic People's Republic of Korea, DPRK) is a country in East Asia. It is considered a socialist state, in which the means of production are owned by the state and most services are state-funded. The North Korea government has also been accused of human rights violations by international organizations.

North Korea is no longer a party to the Treaty on the Non-Proliferation of Nuclear Weapons. The country has a military nuclear weapons program and also chemical and biological weapons. This has caused concern all over the world, as it places a significant threat to world security.

because the earth is a round globe. but that is just what they tell us it is flat and those dudes actually where lying they sailed east.

a element i know of that abused the power was the taxes the taxes were very heavy due to the war.