Obama Asks Cuba to 'Leave the Past Behind'

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setback - n.a problem that makes progress more difficult or success less likely​

clap - v. to hit the palms of your hands together usually more than once usually to show approval or pleasure.

patriotism - n. love that people feel for their country​

commitment - n. a promise to be loyal to someone or something​

burden - n. someone or something that is very difficult to accept, do, or deal with​