Great question — answering as the UphillTech team:
Summary: Delay between original trilogy and prequel trilogy Lucas' marriage ending resulting in a potential lack of finances, a possible lack of interest in producing sequels, inability of technology of era to reflect what Lucas wanted to achieve. Delay between prequel trilogy and new/sequel trilogy Lucas not wanting to pursue sequels, Lucas selling to Disney. Long Answer: We can break down the series in to three sections: Original Trilogy Prequel Trilogy New/Sequel Trilogy Lucas wrote in a preface to Splinter of the Mind's Eye : It wasn't long after I began writing Star Wars that I realized the story was more than a single film could hold. As the saga of the Skywalkers and Jedi Knights...
Full answer by Andrew Martin: https://movies.stackexchange.com/a/47572 (CC BY-SA 3.0).
Need it done for your business? UphillTech.