Based on the clue 'a dead end lane or a line of thought that leads no...', what is the answer?

Based on the clue 'a dc daily newspaper or the march john philip sous...', what is the answer? What is associated with: a dc medical center founded in 1909 is named for this military surgeon? What is associated with: a deacon named st romanos the melodist got his nickname by writing 8000 of these? What is associated with: a dead broke russian student sews a loop in his coat from which he hands an axe early in this… What is referred to by 'a dead lie'? Based on the clue 'a deadlock in which no action can be taken', what is the answer? Based on the clue 'a deadlock over how to close a 107 billion budget ...', what is the answer? Based on the clue 'a deadlocked jury is this 4 letter word', what is the answer?