I believe it is D) It suffered a weakening economy, domestic revolts, and a loss to the Allies in World War I.
We should know about this because American Citizens need to know how we won the war.
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).
Answer: Over 22,000 Texans died of wounds or were killed.
Explanation: