Get an Answer Management theory has witnessed an evolution of change in America over the last century. From the 1890s to about the 1930s there was the scientific management period, led by theorists such as Frederick Taylor. Smart Writing ServicesOctober 25, 2017 7:34 amOctober 25, 2017 Previous ArticleEnvironmental impact of a meat-based diet versus a plant-based diet Next Articlehistory The Reconstruction Era that followed the Civil War (1865-1877)