Brain › PeopleWho wrote Then conquer we must, for our cause it is just?Saddam HusseinFrancis Scott KeyGeorge WashingtonOsama Bin LadenAnswerThe correct answer is B) Francis Scott Key.More People questionsWhich player was given the Calder Cup trophy in the 2005-2006 NHL season?What NFL team won the 1999 Super Bowl?Who was the 2006-2007 Bowl Championship Series team winner?What was Jacqueline Kennedys maiden name?What was Jacqueline Kennedys occupation?Where was Jacqueline Kennedy born?Play Brain · Practice