How does Snowball relate to Leon Trotsky

In Animal farm leon trotsky was represented by snowball, snowball led the battle of cowshed and was  an excellent commander of the red army, stalin who is represented by napoleon and trotsky never came to a compromise on any subject, snowball was then chased away by dogs led by napoleon, trotsky was killed by an ace axe on an order given by joseph stalin. Snowball believed in old majors ideas and old major is a representation of karl marx, leon trotsky was a very passionate marxist.