Istory of Ties: How did ties become an essential element of modern business attire?

The purpose of my study is to perform qualitative research on the history of ties that will be focused around the primary research question: How did ties become an essential element of modern business attire?
The research will provide an in-depth understanding of major milestones in the way the concepts of ties has evolved throughout centuries and the last decades. As a result of this study, it is expected that findings will allow classifying key factors and history events that affected the concept and the image of ties, and made it look the way it looks today.