Given the task definition and input, reply with output. In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

Which of the following was not a violent conflict: the English Civil War, the Anglo-Saxon periods, or the Monmouth Rebellion?, Context: Somerset is a rural county of rolling hills such as the Blackdown Hills, Mendip Hills, Quantock Hills and Exmoor National Park, and large flat expanses of land including the Somerset Levels. There is evidence of human occupation from Paleolithic times, and of subsequent settlement in the Roman and Anglo-Saxon periods. The county played a significant part in the consolidation of power and rise of King Alfred the Great, and later in the English Civil War and the Monmouth Rebellion. The city of Bath is famous for its substantial Georgian architecture and is a UNESCO World Heritage Site.
Anglo-Saxon periods