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n.
the United States (especially the northern states during the American Civil War); "he has visited every state in the Union"; "Lee hoped to detach Maryland from the Union"; "the North's superior resources turned the scale"
n.
the act of making or becoming a single unit; "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
adj.
being of or having to do with the northern United States and those loyal to the Union during the American Civil War; "Union soldiers"; "Federal forces"; "a Federal infantryman"
n.
the body of members of an organization or group; "they polled their membership"; "they found dissension in their own ranks"; "he joined the ranks of the unemployed"
n.
some abrupt occurrence that interrupts an ongoing activity; "the telephone is an annoying interruption"; "there was a break in the action when a player was hurt"