Why was the roman army origanally fighting in spring and autumn?

The Roman army originally fought in spring and autumn to align with agricultural cycles. Spring allowed for the recruitment of soldiers and the availability of resources, while autumn was typically a time for harvesting, ensuring that soldiers could return home to tend to their farms. Additionally, fighting during these seasons helped avoid the harsh weather of winter and the scorching heat of summer, making campaigns more effective and sustainable. This seasonal strategy also helped maintain morale among troops who were primarily farmers.