The answer would be:
<span>Tubman used logos most effectively. She told the group facts about the risks of returning to the plantation, explaining the risks for all involved. She explained that they would have to choose between freedom and death. She wanted them to know that returning wasn't an option.</span>
Irony is like sarcasm: you can say "oh yeah, that sounds SO fun" and mean "that doesn't sound fun at all"
Irony in a situation is when, for example, you do everything you can to prevent something from happening, but your trying to prevent it is what makes it happen.
It is also a literary technique, originally used in Greek tragedy, by which the full significance of a character's words or actions are clear to the audience or reader although unknown to the character.
