How can you determine whether to use whom in a relative clause

Read the excerpt from "lise marie de baissac.”in normandy, baissac pretended to be a refugee from paris living in the house of a schoolmaster. there, she to set up more resistance groups and organize sabotage actions. again traveling by bicycle, she maintained secret communications between groups and transported supplies. this was extremely dangerous work.which best describes the meaning of the underlined word? argued forblockedkept upunderstood

In a speech to high school students, a business owner makes the following statement short response

Wha is"centrifugal bumble puppy "? why is it important for games to require a complication apparatus? (brave new world)