C. Poor Living Conditions
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).
No it's either you Christian or Catholic you can't be both at the same time unless you wanna change religions.