1) The document discusses the evolution of human resource management from the Industrial Revolution period through today.
2) It describes how HRM developed from the early stages in the 1800s-1913 when child labor was common, to gaining more focus during World War I and II, to adopting theories like Taylorism from 1945-1979.
3) Most recently, from the 1980s to present, HRM has transformed with the rise of information technology, focusing on areas like change management, motivation, and team building while also becoming more of a business partner.