Why was Stephen F. Austin’s arrest troubling?

a. he was planning an uprising

Explanation:

Believing that he was pushing for Texas independence and suspect that he was trying to incite insurrection, Austin was arrested by the Mexican government in January 1834 in Saltillo, Coahuila, Mexico. He was taken to Mexico City and imprisoned. No charges were filed against him as no court would take jurisdiction. and if u google definition of uprising a simlily to it is insurrection which is what he was arrested for acording to google. i hope this helps

the northwest ordinance of 1787 guaranteed basic rights for settlers and banned slavery there.