What are the main threats to nuclear progress in the world today?

Discuss the areas that the paper should address is how the nuclear era altered in the wake of 9/11 and the presidencies up to the present day. It should also look at the dangers of nuclear proliferation and the threats caused by ‘rogue states’ (North Korea, Iran, Syria, etc.) and consider Russia’s current nuclear threats in the war against Ukraine and an audit of the nuclear era. What are the main threats to nuclear progress in the world today?