what are free groups and outlaw armies living on the borders of Russian territory from the fourteenth century onward. In the mid-sixteenth century they formed an alliance with the Russian state.

the answer here would be

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.

to force terrorists groups to stop attacking western targets using massive military force.

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