How has transporting freight changed?

I need help with a Management question. All explanations and answers will be used to help me learn.

The assignment is a research paper on the subject of How Transporting Freight has Changed in the Last Century. This is a Strategic Transportation Management course and the research material must be from peer review journals, industry journals (transportation and supply chain journal). The research paper must be 4 -6 pages without the cover page and reference page included in the page count. It must be APA style writing. All references should be U.S. references and journals, no overseas references. This assignment must be completed by 8/8/2020 11:59 PM EST.