Perhaps the single strongest unifying factor of pre-civil war southern whites was their

The correct answer is that the strongest unifying factor of pre-Civil war southern whites was their perception of white racial superiority

Explanation:

White southerns  main reason to fight the civil war was because they believed and wanted to keep the rigts to continue to enslave African Americans as they thought it was their right and it was protected by the constitution.

The whites believed they were superior than African Americans for a long time which ended up leading to 400 years of slavery.

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )

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