Based on the clue 'civilization that produced the first known calenda...', what is the answer?

Based on the clue 'civilian activities in support of a war waged over...', what is the answer? What is associated with: civilization in the valley of this pakistani river dates back about 4500 years? 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 'cj can stand for circuit judge or for this person ...', what is the answer? Based on the clue 'cj cregg josh lyman donna moss', what is the answer? Based on the clue 'cj is short for this title held by roger taney wi...', what is the answer? What is referred to by 'ck emlyn tennessee'?