What purpose does a hacienda serve?

Who in the world is that

Some haciendas were plantations, mines or factories. Many haciendas combined these productive activities.

The term hacienda is imprecise, but usually refers to landed estates of significant size

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.