What does it mean when someone is said to ''rust out''?

Which of the following best describes the central idea of the article? a the tuskegee airmen started the civil rights movement by proving that black pilots are more skilled than white pilots. b the tuskegee airmen proved that black and white pilots had the same potential, which break racial barriers. c despite breaking racial barriers, the tuskegee airmen faced racial discrimination and were never recognized for their military success. d black pilots in the military had to work twice as hard as white pilots, and due to a lack of funds they were underprepared.

"she is his achilles' heel" is an example question 3 options: a allusion b alliteration c simile d personification

What type of persuasive appeal seeks to show that an argument is correct or valid