(i'll give brainiest) what prevented tecumseh from uniting native americans east of the mississippi river in his fight against the expansion of white settlement? a. tecumseh's lack of funds to support his military goals. b. the dependence on white manufactured goods and customs by those eastern native american groups. c. the existing rivalries among the different native american nations in the region. d. tecumseh's disregard for the alliances between white settlers and those native american groups.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.