What was dan cody’s flaw? how might this relate to gatsby? what did dan leave gatsby? what happened?

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

Context clues can be definitions, examples, synonyms, or antonyms. the word root can give you an idea of the word’s meaning. affixes can you determine the word’s form and meaning. use the drop-down menus to identify the root in each difficult word. automatic: gratify: untenable:

In "tell me, o swan, your ancient tale," to what does the land where no doubt nor sorrow have rule refer? nature heaven the promised land an imaginary country