2 short !

Why was this only shown in 2 parts ? I get the feeling the best of this series lies on the cutting room floor they could of went for at least 4 hours after all there's a lot of story to tell from this period and there has not been half enough good drams from this period BBC had 1 out early on Banished which was good also,I read a lot complaints about the way the English have been potrayed well facts is facts and truth is the brits did rule with an iron fist so let truth be told I say anyway same people complain when history is played about with,fools