What does transition mean?

Based on context, the word “insoluble”most likely means?

"the trouble is," sighed the doctor, grasping her meaning intuitively, "that youth is given up to illusions. it seems to be a provision of nature; a decoy to secure mothers for the race. and nature takes no account of moral consequences, of arbitrary conditions which we create, and which we feel obliged to maintain at any cost." what larger idea is the doctor referring to when he says that nature takes no account of moral consequences? impulses often overrule a person’s sense of good and bad. nature forces women into motherhood. young people are prone to having delusions. morals play no role when we choose who we love.

Based on thoreau's transcendental beliefs, why might he have written an essay opposing the war? to explain the individual's responsibilities within a corrupt society to begin his own political career to call attention to the ways in which the government was essentially good to express his lack of interest in societal issues