Except for thd battle of glorieta pass, the confederates won the encounters in new mexico. what factors may have contributed to this?

When Confederates began to near the Union's supply in Albuquerque, the Union burned it down.  At The Battle of Pigeon's Ranch, the Confederate soldiers caught the Union soldiers by surprise in a mesa and burned the entire 80-wagon Confederate supply train down.  With the Union's Albuquerque and travel supply, the Union had lost grand amounts of food, clothing, tools, ammunition, and more.  From there on, the Confederate soldiers continued to avoid and repel the Union until they retreated.

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food chain i would say only because there is competition on getting food and survival