closes off (verb) block: obstruct
Detalii: a bloc is a group of countries in special alliance while a block is an obstruction, an interruption, or a rectangular area or shape
Sinonime: bar,
constraint, disallowance, don't, embargo,
exclusion, injunction, interdict, interdiction, negation, no-no,
obstruction, off limits, out of bounds,
prevention, proscription, refusal, repudiation, restriction, taboo, temperance, veto
Antonime: allowance, clearance,
permission