How did northerners attempt to ease the concerns of southerners over slavery? passing legislation lowering tariffs increasing southern congressional representation overlooking the slavery issue

Wrong it is passing legislation

Explanation:

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.