Respuesta :

Answer:

Some ranchers held contracts to supply beef to frontier forts and to Indian reservations in West Texas, Oklahoma and New Mexico beginning in the late 1850s. Cattle ranching virtually halted during the Civil War years, as the frontier retreated.

Explanation:

scorpio7
The profitability of the industry encouraged ranchers to increase the size of their herds, which led to both overgrazing (the range could not support the number of cattle) and overproduction.