Indicates the basic ancient Roman Army unit, recruited specifically from Roman citizens. The "legion" means entire army.
Answer:
infantry tactics
Explanation:
Soldiers were drilled in infantry tactics, usually based upon a manual written before the war by West Point professor William J. Hardee (Rifle and Light Infantry Tactics: for the Instruction, Exercise and Maneuver of Riflemen and Light Infantry, published in 1855).
They no longer had trust in the Europeans and fought back.
I personally don't know but quizlet most definitely has the answer