Alvin York, a famous sharpshooter in the U.S. Army in World War I, was an ordinary farmer who believed in God and hated killing. When he received the conscription order, he also refused to go to the front. However, when he gradually realized that the purpose of fighting was to prevent more people from suffering from the war, he resolutely joined the army.

Sharpshooter Alvin York does have a history of his own, played by Gary Cooper
Meuse-Argonne offensive in October 1918. The Germans were building strong fortifications in the Meuse-Argonne region with its naturally steep terrain. York's 82nd Division had to carry out a complex and dangerous mission: to cross the front lines of friendly forces and occupy the De Couvel Railway, which supplied the Germans. However, the valley in front of them was covered with German machine guns, and the first charge ended in failure under the pressure of strong enemy fire. York's squad was ordered to penetrate from the rear of the Germans and encircle the German machine-gun positions. The detachment, which numbered only 17 men, managed to catch the other side off guard in the German barracks, and most of the Germans were still eating breakfast and had to surrender their weapons. But the machine gunners at the top of the hill, when they noticed that they were behind them, began to turn their guns and strafe at their camp. The York detachment, which was in a disadvantageous position, became an open target for a while, the situation was very unfavorable, the squad was only 7 people left in an instant, and York began his legendary performance. He first single-handedly crossed the dense strafing of twenty or thirty machine guns, then sneaked into the flanks of the German trenches and killed the enemy one by one. In total, he fired 20 bullets and killed 21 enemies. In the end, York single-handedly cleared all german machine gun fire points and led his detachment to capture 90 Germans. Soon, York's heroic deeds spread throughout the barracks, and he was awarded the Cross, the French Medal, the Italian Medal, the Military Medal, and in 1922 the American Medal of Honor.
On May 22, 1919, Alvin York returned to New York and was warmly welcomed by the city's residents. People tried in every way to express their reverence for the "greatest ordinary soldier", and all kinds of good work came to them at a time. Hollywood wanted to make a movie about him, but York refused, and it wasn't until after the outbreak of World War II, when the brutality of Nazi fascism made him think he had to stand up for freedom as he had done before, and he agreed to make a film based on his own combat experiences—the "York Cobia" we see today. "York's Cobia" can be regarded as a standard "American main theme movie", always emphasizing the loyalty and faith in Jesus, and the need to fight for democracy and freedom, although it seems somewhat rigid today, but in 1941, Alvin York's legendary deeds as one of the few World War I memories of AMERICAN soldiers became the best conscription order in the US army, inspiring countless American youth to rise up against the iron heel of fascism.