Which factor contributed mostly directly to the battle of little bighorn

The start of the Dakota goldrush.

incident infrared radiation is blocked. visible and ultraviolet radiation heat   earth.

earth radiates infrared radiation. infrared radiation is blocked and heats earth. visible and shortwave radiation heat earth.

earth radiates longwave radiation

longwave radiation is reflected downward longwave radiation heats earth

hey.

the answer is. b) to protect migrating native american tribes .

and, c) to protect migrating native american tribes .

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