How did sheriff dozier find out who the "ring leader" was (the one trying to organize a union for sharecroppers and laborers)?

The correct answer is:

Sheriff Dozier found out professor Tolson was the "ringleader" (the one trying to organize a union for sharecroppers and laborers) by beating up Samuel, a sharecropper.

Samuel had been present on the secret meeting aimed to organize a union for sharecroppers lead by professor Tolson disguised as a sharecropper.

"The great debaters" is a 2007 drama, directed by Denzel Washington. Based on the true story of Melvin B. Tolson, a professor at Wiley College Texas who inspired students to form the school's first debate team and went on to challenge Harvard in the national championship.

after the moon goes from a full moon it turns into a waning gibbous moon.

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sugar had three basic uses in ancient india. it was used in religious rites, consumed as a snack, and was considered a kind of medicine.

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