Friedrich Wilhelm Rudolf GerhardAugust, Freiherr von Steuben, a Prussian military officer, arrives at General George Washington'sencampment at Valley Forge on this day in 1778 and commences training soldiers in close-order drill, instilling new confidence and discipline in the demoralized Continental Army.
Answer:
Christopher Columbus sailed in the name of:
Spain
Portugal
Italy
England
Explanation:
Technology made manufacturing more efficient
