Why was the Spanish mission to convert native Americans to Christianity ultimately unsuccessful

The Spanish were very mean to the Native Americans so the Native Americans wouldnt want to listen.

Explanation:

of what agreement it does not show

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.