One of the significant factors in rail development has been the number of mergers that have occurred, but there have been different types of mergers that have occurred over time. Discuss the major...

One of the significant factors in rail development has been the number of mergers that have occurred, but there have been different types of mergers that have occurred over time. Discuss the major types of mergers and explain why they occurred. Will mergers continue to occur in the rail industry? Why or why not?