It was the battle of the bulge.
Answer:
commander in chief
Explanation:
Commander in chief is the role assigned to the US President in function. He then controls all branches of the US army (land, air, navy and now space).
chief executive is his role as leader as the White House, the executive branch of the government.
chief of party is is role within his political party, the Republicans for the current President.
chief legislator, as representing the executive branch, he's the one singing in to laws the bills adopted by the Congress.
Roman Empire
The Fall of the Western Roman Empire (also called Fall of the Roman Empire or Fall of Rome) was the process of decline in the Western Roman Empire in which the Empire failed to enforce its rule, and its vast territory was divided into several successor polities.
Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders