It would be the "A. Pawnee" that was the Caddoan tribe that settled along the rivers in eastern Oklahoma, due mostly to the fact that these rivers greatly helped to irrigate the land for farming.
John Brown's Raid was a revolt that led the Americans:
• Some rallied behind him and some against him.
• Few joined the revolt
• Democrats blamed the Republicans
• Republicans blamed John Brown
• Raid on Harper's Ferry
• Southerners assembled to prepare for war
• Cotton prices went down.
Answer: It is A. Nationalism and socialism helped shape all three revolutions
Explanation:
THe other answers made no sense, plus this was definetly true in Russia and China.