I Became a Plutocrat in World War I: Starting with Saving France Novel

No system, pure time travel, relying on intelligence and knowledge to control the situation, do not enter if you do not like it. ----------------------- The protagonist travels to the Republic of France and becomes a quasi-rich third generation in a family of agricultural tractors. Unfortunately, it is near Paris. The Germans will soon come here, and to preserve the family, France must be saved. Gallieni: “God, the enemy actually presented their flank to us!” Xia Fei: “This can't be true, could it be a trap?” Protagonist: “The food is ready, go ahead, do I need to feed it to your mouth?” German Army: “Is this a tractor factory? What are these steel monsters that are impervious to knives and guns?”