Of course, they will invade. But with an attacking army? Why do that? We have a weak and corrupt system that gets poorer and more corrupt every day.

They can invade with bribes, contributions, purchases, trade and "help" just like a covert operation the imperial first world countries would use to take over and set up in a third world country

Before we know it, we could be part of a world government where China has the biggest population and the richest nation. As such, they will have to send out the world's police just like we do now.

When we are suffering shortages that come with losing our economic power to the burdens of our debt and overspending a few riots will kick of and before you know it there will be Chinese Army in blue hats or better yet some kind of joing Chinese/American uniform patrolling the USA's streets.

There are some still who fight against this but for now most are lost in the mind control system. Unless the average guy wakes up (need a miracle here) they will win the war without firing a shot.