North Korea states intention to restart reactors, throws out IAEA inspectors and takes down inspection cameras, announces immediate withdrawal from the Nuclear Non-Proliferation Treaty and makes threats of war if the UN or the United States imposes sanctions.

Can we draw the following conclusion?
In the history of Nuclear matters, threats have been made by countries.

Choose your answer from: [i] Yes. [ii] It's impossible to say. [iii] No.
[i]