Complex sentence: After the news went threw the camps several fights brook out between those that wanted to aid Stannis and those who remained loyal to Renly, many returned to their homes, some quickly traveled to join Stannis host as he marched toward King's Landing.
Split into simpler sentences: After the news went through the camps, several fights broke out between those that wanted to aid Stannis and those who remained loyal to Renly. Many returned to their homes, some quickly traveled to join Stannis host as he marched toward King's Landing.