What was the cause of Red Cloud’s War?

The government broke promises of a treaty with the Sioux.

The government built a trail through Sioux hunting grounds.

US soldiers attacked the Sioux for their land.

Respuesta :

Answer: the goverment broke promises of a treaty with the Sioux

Explanation: because new mining tows sprang up as miners rushed along the Bozeman Trail which crossed their lands (Sioux); this make the peace treaty break and caused the Sioux to attack.

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