Complex sentence: Ferguson issued a challenge to the rebel militias to lay down their arms or suffer the consequences; in response, the Patriot militias led by James Johnston, William Campbell, John Sevier, Joseph McDowell and Isaac Shelby rallied for an attack on Ferguson.
Split into simpler sentences: Ferguson issued a challenge to the rebel militias to lay down their arms or suffer the consequences. In response, the Patriot militias led by James Johnston, William Campbell, John Sevier, Joseph McDowell and Isaac Shelby rallied for an attack on Ferguson.