Why was the united nations formed?
to promote communism
to engage in armed conflict
to defend nations against attack
to promote international peace

The correct answer is: "to promote international peace"

The United Nations is an intergovermental organization which was founded in 1945, in the aftermath of WWII, with the main aim of fostering coorperation among nations and joint action, and for the development of agreements and friendly relationships among countries that would give rise to an international and stable peace and security,  instead of the former climate of confrontations, military conflicts and wars.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

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