How to use "currents" in a sentence

Values have shrunk to fantastic levels; taxes have risen; our ability to pay has fallen; government of all kinds is faced by serious curtailment of income; the means of exchange are frozen in the currents of trade; the withered leaves of industrial enterprise lie on every side; farmers find no markets for their produce; and the savings of many years in thousands of families are gone

But merely drifting along in the currents of life wasn't enough for Tina

Even a primarily good government, when it's big enough, has some pretty mean sharks swimming in the darker currents