The US military's 800 bases around the world are there to support the US dollar as the global reserve currency; your lifestyle and mine are underwritten by destroying countries like Iraq and Afghanistan on the opposite side of planet.
Dollar Recycling | Michael Hudson
" Ending the gold-exchange standard in 1971 created a situation in which the excess U.S. dollars thrown off by the U.S. payments deficit end up in foreign central banks.
"For these central banks, the inflow of surplus dollars poses the problem of what do we do with them.
"Central banks don’t buy stocks and bonds, or control of corporations, because that is risky and also does not directly help their own economy.
"So central banks buy US Treasury bonds and bills – IOUs of the U.S. Government.
"For the United States, the money that is spent on running a balance-of-payments deficit on military account and on American investors buying Chinese stocks and Chinese companies, dollars are recycled back to the United States to buy US Treasury bonds."