Gunpowder was the leading element that caused empires to fall and rise at different times. Gunpowder weapons gave rulers the power to conquer new lands and expand territories, but there were also negative effects of this new canny output. On the positive side, gunpowder helped many empires to blossom and gain new advantages such as new lands and new goods. The Japanese actually made the guns and realized that the training time for their warriors was much shorter compared to the training time for swords. The Ottoman empire expanded their empire, but also protected trade routes with the use of gunpowder, which helped improve their empire. Some of the unfavorable things that happened to empires included rebellions and wars against their rulers,
