https://financialrisk.wordpress.com/2023/02/02/survive-the-decline-of-empire-u-s-and-rome-part-v/
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The economy has grown far more fragile and interdependent since the 1960s due to globalization. USA is not self-sufficient, instead very dependent on long supply chains.
1960s empire building lost Vietnam war to Russia and China.
Ukraine and Taiwan and Israel likely to be lost, along with much USA hardware…
Additional survival tricks 