TheByzantine Empire, often called the Eastern Roman Empire or simply Byzantium, existed from <em>330</em> to <em>1453</em> CE. With its capital founded at <u>Constantinople</u> by Constantine I.
If they would have invaded Japan the war could have gone on for several more years; which meant even more casualties and money spent towards war. They chose to use the atomic bomb for a quicker end to the war- which changed the idea of war forever.