The main reason for the passage of the national security act was to separate the armed forces into different departments. enable the nation to meet the challenges of the cold war. prevent labor unions from striking during times of war. desegregate each branch of the nation’s armed forces.

B. Enable the nation to meet the challenges of the Cold War

Explanation:

TOOK THE TEST ON ED2020

idk but found this on google

"the kansas-nebraska act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. kansas with slavery would violate the missouri compromise, which had kept the union from falling apart for the last thirty-four years. the missouri compromise had prevented this from happening since 1820."

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explanation: