Baron von Steuben trained American troops.
Step-by-step explanation:
Baron von Steuben was also known as Frederick William. He was a German officer. He belonged to a military family. He joined the military army during the age of 17.
He had served as a lieutenant, then general, Major General and attained the rank of Captain. He converted the 'revolutionary army' into a 'disciplined fighting force'. He was the man behind US independence.
In his training program, he selected 120 men from different regiments and levels, formed an honour guard for General, and used them to show military training to the remaining people of the army troops.