Complex sentence: Originally the term "Parliamentary Train" referred to certain services that were imposed on railway companies for social reasons by the Railway Regulation Act 1844, where working people were increasingly travelling long distances to find employment in the growing industrial centres.
Split into simpler sentences: Originally the term "Parliamentary Train" originated from the Railway Regulation Act 1844, where certain services were imposed on railway companies for social reasons. Working people were increasingly travelling long distances to find employment in the growing industrial centres.