What is cinna instructed to leave for brutus?

Cinna is instructed to leave letters for Brutus. In Julius Caesar, at the end of Act 1, Scene3, Cassius sends letters to Brutus by way of Cinna. Cassius altered these letters to make them seem as if they were written by Roman citizens who do not want Caesar to use his power to govern Rome. The letters prove to be the catalyst that drives Brutus to forsake his friendship with Caesar.

the purpose of a nonfiction text is to give the text a rap up. for example, when i say : frogs are interesting animals is an ending. then when i say: frogs are unique in different ways. that is an intro.