Complex sentence: From the late 1800s to early 1900s, weak passport requirements and innovations in transportation such as steamships and railway growth accelerated world migration, while enhancements in communication technology accelerated the sharing of information.
Split into simpler sentences: From the late 1800s to early 1900s, the world experienced rapid growth in human migration, transportation, and communication. Coupled with weak passport requirements, innovations in transportation such as steamships and railway growth accelerated world migration while enhancements in communication technology accelerated the sharing of information.