Complex sentence: Upon the release of the album, Killswitch Engage embarked on their first nation wide tour, supporting Soilwork and Hypocrisy and would tour for the next year in support of "Alive or Just Breathing".
Split into simpler sentences: Upon the release of the album, Killswitch Engage embarked on their first nation wide tour, supporting Soilwork and Hypocrisy. The band would tour for the next year in support of "Alive or Just Breathing".