They were more politically motivated
The Texas white primary system was found unconstitutional by the Supreme Court, which decided 8–1. In that decision, the Supreme Court found that a state legislation passed in Texas in 1923 was unconstitutional because it allowed the state Democratic Party to discriminate racially. Most Southern states ended their selectively inclusive white primaries as a result of the case.
John Brown formulated a plan to seize the federal arsenal at Harper's Ferry, Virginia, free and arm the enslaved people there, and begin an armed slave revolt. This slave revolt was started in the year 1859. The freed slaves slaves attacked and captured a federal arsenal at Harper's Ferry. I hope the answer helps.
A, it was a turning point, in which France decided to help by that the king of france wanted to do so, basically the people in France killed him for deciding to help.