Complex sentence: The film begins in the year 1600 with Tokugawa Ieyasu's victory in the battle of Sekigahara which cleared the path to the Shogunate for Tokugawa Ieyasu, though it would take three more years to consolidate the position of power over the other clans.
Split into simpler sentences: The film begins in the year 1600 with Tokugawa Ieyasu's victory in the battle of Sekigahara which cleared the path to the Shogunate for Tokugawa Ieyasu. Though it would take three more years to consolidate the position of power over the other clans.