What lead to the fall of the roman empire - Breif Summary

What were some of the main factors that led to the fall of the Roman Empire? Perhaps the two main and key factors that led to the fall of the Roman Empire would be the disunity of it's people towards the end and lack of great leadership. Though the rise and fall of the Roman Empire (750 B.C. - 476 A.D.) it had many rulers. Of which there were some good and some bad. There …

…Rome had been something special, something revered. But the later Romans only sought power for themselves. Almost every general secretly had his eye on the throne and was ready to overthrow the emperor and take power himself. The armies spent a lot of time fighting each other for power in Rome, rather than fighting the enemy. Which eventually led to the fall of the last great empires of the ancient world, as we know today.