What is associated with: civilization in the valley of this pakistani river dates back about 4500 years?

What is associated with: civil war nurse who became a coen brothers title character in 1991? Based on the clue 'civil war officer thomas custer twice once for a f...', what is the answer? Based on the clue 'civil war veteran ira dutton became brother joseph...', what is the answer? Based on the clue 'civilian activities in support of a war waged over...', what is the answer? Based on the clue 'civilization of sailors that developed 1st western...', what is the answer? Based on the clue 'civilization that built machu picchu a stronghold ...', what is the answer? Based on the clue 'civilization that produced the first known calenda...', what is the answer? Based on the clue 'cj can stand for circuit judge or for this person ...', what is the answer?