Complex sentence: In addition, there was no contemporary legislation of the time protecting the permanent employment of reservists; employers could--and often would--replace them with other workers with no guarantee that if the soldier returned he would be able to take back his job.
Split into simpler sentences: In addition, there was no contemporary legislation of the time protecting the permanent employment of Reservists. Employers could--and often would--replace them with other workers, with no guarantee that if the soldier returned he would be able to take back his job.