Based on the clue 'after buying manhattan for the dutch he bought wha...', what is the answer?

What is associated with: after buffalo springfield broke up this guy rejoined stephen stills 2 others in 1969? Based on the clue 'after bull run general mcclellan reorganized the u...', what is the answer? Based on the clue 'after buying a country house rubens turned to this...', what is the answer? Based on the clue 'after buying flour store it here for at least a we...', what is the answer? Based on the clue 'after buying the tribune company he promised to se...', what is the answer? Based on the clue 'after c everett flew the koop antonia novello beca...', what is the answer? Based on the clue 'after cain slew abel adam knew his wife again and ...', what is the answer? Based on the clue 'after caligulas assassination this stammerer was f...', what is the answer?