Why was Kansas nicknamed "Bleeding Kansas"? -Because of violence between new settlers and the American Indians already living there
-Because of violence between anti slavery and pro-slavery groups
-Because of violent attacks from enslaved people who desired their freedom

question is unclear.

i can't sorry.

post the full question so i can .

i think that the right answer is the aztecs

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.