Key Facts

—The action. Washington blacklisted five Cuban state entities and one individual on June twenty-third.

—The bank. Top of the list is the commercial bank that handles most foreign business in and out of Cuba.

—The conglomerate. Three of the targets belong to the military-run group GAESA, said to control about forty percent of the economy.

—The mine. A sanctioned mining firm runs a zinc operation with the global commodities trader Trafigura.