Power vacuum will be filled almost instantly by the other powers with bases or interests in the country. Some of the countries affected will gain true sovereignty, for better AND for worse. The US will endure a fraction of the economic hardship it inflicts on everyone else, but it will only be felt by the elite. Society, whatever you mean by that, remains unchanged. This is all in the short-term. There is no predicting how it will unfold after that in general terms since every situation is different