How did the Roman army influence the US army?

The roman army inspired the united states army. the united states wanted a formal military in case Britain waged war.

The Romans had the best trained, most highly disciplined army of the ancient world.

The United States Army works as a single military force, and is not split up into smaller 'armies'. Rather, the Army is split up into companies, which are groups of platoons sent on a particular...

The Romans were defeated by the Germans at the battle of Teutoburg Forest which was one of the biggest Roman defeats

From what I've seen of the Pakistani army, yes. It's not that Pakistani soldiers are bad, but their military has a lot of factionalism and divided loyalties, which only weakens it.