Ineed with some poetry stuff. ive googled the terms but they confuse me.

What evidence from the radio broadcast the war of the worlds supports theme that human vanity can cause problems

What does water came out from a rock mean in this poem and why is it compared to the radio waltz? time was away and somewhere else. the waiter did not come, the clock forgot them and the radio waltz came out like water from a rock: time was away and somewhere else.

What are all of the literally devices in the poem l’envoi by willa cather