Watch Outposts of Empire (1915) : Full Movie Online Free Scenes from the East Africa Campaign of WWI: British soldiers prepare for an assault against German colonial forces. As they try to coax and cajole their pack animals on to a military supply train, the mules prove as stubborn as, well, mules! The beasts dig in their hooves as the men heave on their bridles and an officer's whip crackles against their haunches.