What were the most important lessons Peter the Great learned in Amsterdam?

Peter apprenticed himself with a master shipbuilder to learn all the secrets of the shipbuilding trade, but he had to do it under an assumed identity, as apprenticing a Russian czar would have been too intimidating to a commoner.

answer; ///i believe that the correct answer is (b)arches and domes; ///

mosques-hypostyle halls with lots of space.towers called minarets flanks the luck

answer; i believe the correct answer is ( quakers);