China will not allow it's wealth and power to diminish.
China is getting ready for war.
Agreed.
The EMP threat: fact, fiction, and response (part 1)
http://www.thespacereview.com/article/1549/1
Fears North Korea is planning a ‘space nuke’ to knock out America’s power with an an electromagnetic pulse slammed as ‘silly’
https://www.dailymail.co.uk/sciencetech/article-4471120/A-North-Korean-space-nuke-WOULDN-T-lay-waste-America.html