The dictator who became emperor

The dictator is back in action. The year is 1914, the height of the race to acquire colonies. In a world where highly developed imperialisms collide, one man awakens. His name is Nikolai Alexandrovich Romanov... he is the emperor of the superpower Russian Empire, but the consciousness of another man has been possessed from the future. His name is Joseph, also known as "Iron Man" Stalin. In the midst of a war that divides the continent in two, where will this man who has been reborn as an emperor from a dictator head for...?