Up in Arms

Max is upset because his lunch money is missing before pizza day. A friend explains the idiom 'up in arms', which means being very angry, and its historical context. The friend offers some lunch money, and they briefly mention another idiom, 'an arm and a leg', to be explained later.

What did Max lose?

What does 'up in arms' mean?

What historical context is provided for the phrase 'up in arms'?

How does the conversation end regarding lunch money?

What does the phrase 'an arm and a leg' refer to?