the decrease in family sizethe disappearance of skilled craftsthe decrease in the age of first marriagethe movement from rural areas to citiesTo what nineteenth-century event does the term “demographic transition” refer?Elon.io is an online learning platformWe have an entire course teaching World History 2 grammar and vocabulary.Start learning World History 2 nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.