In addition to making speeches and printing newspapers, many abolitionists a. wrote petitions asking Congress to outlaw slavery.
b. organized armed rebellions in Southern states.
c. bought enslaved people in order to set them free.
d. taught young African American children in schools.

false

explanation:

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

i believe it is the second one.   if correct plz mark brainliest.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts