Ensure a speakers appeal to the audience is ethical side can be appealed to the audiences
ethos
logos
pathos

By using ETHOS one can appeal to the audience’s ethical beliefs.

Ethos is a persuasive method that uses the speakers credibility or authority, or citing another’s, to convince the audience to agree with their standpoint.

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!