Because it was so large, corruption ran rampant and politicians and senators often had their own interests at heart. The sheer size of the empire also made it hard to control, with many revolutions and uprisings popping up. The cultural diffusion was also an issue, as many different people and cultures were all under one banner, so infighting was pretty common, epically the further you get away from Italy.
Answer: Great Upheaval
Explanation: The Great Railroad Strike of 1877, sometimes referred to as the Great Upheaval, began on July 14 in Martinsburg, West Virginia
The answer is pi equals 3.14