Respuesta :
The correct option is B). They became more concerned that the North was trying to completely end slavery.
What was the motive of John Brown?
John Brown was an American revolutionary leader who had the main mission of abolishing slavery.
In 1859, he seized the largest Federal at Harpers Ferry and forced the citizens of the United States to re-view the immorality of the institution of slavery and the injustices made by the government.
In May 1858, he held a secret anti-slavery convention in Canada.
Learn more about John Brown here:-
https://brainly.com/question/12735111
#SPJ5