USA HISTORY

Detailed explanation-1: -Because of infighting within army ordnance, Gatling guns were used by the U.S. Army during the Spanish–American War.

Detailed explanation-2: -The firearms used included colt revolvers, flintlock muskets, percussion or glintlock pistols, and rifles. The standard issue weapon given to soldiers was the . 69-caliber smoothbore Springfield 1816 flintlock musket. However, officers were armed with double-barreled shotguns.

Detailed explanation-3: -Better Resources. The American government committed plenty of cash to the war effort. The soldiers had good guns and uniforms, enough food, high-quality artillery and horses and just about everything else they needed. The Mexicans, on the other hand, were totally broke during the entire war.

Detailed explanation-4: -Battle of Buena Vista, also called Battle of Angostura, (Feb. 22–23, 1847), battle fought near Monterrey, Mex., in the Mexican-American War (1846–48), the war between the United States and Mexico.

Detailed explanation-5: -The M1841 6-pounder field gun was a bronze smoothbore muzzle-loading cannon that was adopted by the United States Army in 1841 and used from the Mexican–American War to the American Civil War. It fired a 6.1 lb (2.8 kg) round shot up to a distance of 1, 523 yd (1, 393 m) at 5° elevation.