Crossword Genius

International alliance (4)

Ross

I believe the answer is:

bloc

'international alliance' is the definition.
(group of nations, eg the Eastern bloc)

This is all the clue.

(Other definitions for bloc that I've seen before include "Political alliance" , "Group with a common policy" , "Nations grouped for a purpose" , "Political or economic confederation" , "Group of countries with a shared aim" .)

I've seen this clue in The Times and The Sunday Times.
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