Answer
Silver Route: Aguascalientes' historical significance stems from its strategic location along the renowned "Camino Real de Tierra Adentro," a vital trade route that connected Mexico City to the northern territories and the United States. This route facilitated the transportation of precious metals, particularly silver, from the rich mines of Zacatecas to the capital, establishing Aguascalientes as a crucial outpost and a hub for commerce and mining activities in the region.