In the last decade over 50% U.S companies have transfered their production houses to China for cheap production..........
That is the beauty of world trade.
Production has shifted to places where it can be done efficiently.
Global trade creates wealth. Some jobs have been lost but more have been gained.
Great redistribution of wealth with the new money fighting against the old money. Earlier, pandemics solved the problem of overpopulation and natural selection, now the same task is fulfilled by huge cities where people just don't propagate. World wars carried out the task of wealth destruction and redistribution, now the same is done by global trade and instantaneous capital outflows...
And any national state that doesn't get in or fit in may quickly follow the route of North Korea