All 4 Uses

embargo
in
Mountains Beyond Mountains
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that while formally deploring the coup, Washington, with the help of a generally compliant mainstream American press, was busily denouncing Aristide, even manufacturing lies about him, and maintaining a leaky embargo that seemed calculated to preserve appearances but not to drive the junta out of power.†
Chpt 2.12
It was a poor country, and made that way at least in part by the United States' long embargo, yet when the Soviet Union had dissolved and Cuba had lost both its patron and most of its foreign trade, the regime had listened to the warnings of its epidemiologists and had actually increased expenditures on public health.†
Chpt 4.21
One could argue that the U.S. embargo had protected the island, but then again, back at the start of the epidemic Cuba had engaged in a lot of commerce with Africa.†
Chpt 4.21 *
But in Cuba, because of the embargo, he was cut off from his usual electronic routine.†
Chpt 4.21

Definitions:

(1) (embargo)
an official ban or restriction -- especially a government-imposed trade barrier
(2) (meaning too rare to warrant focus)