What Was the Purpose of Tecumseh's 1810 "Speech to the Osage

What was the purpose of Tecumseh's 1810 "Speech to the Osage"?

A) to win the military support of the Osage in a war against the white people
B) to pledge loyalty to the Americans in the conflict that would become the War of 1812
C) to urge the Osage to accept Christianity and adopt agricultural lifestyles
D) to threaten the Osage with military retribution for stealing horses from the Shawnee
E) to praise the Osage's progress in establishing effective self-government