What positive economic outcome resulted from the establishment of missions in California?

The establishment of missions in California had several positive economic outcomes, one of which was the provision of food and goods to presidios. The missions played a crucial role in the Spanish colonial economy by serving as agricultural and manufacturing centers. They cultivated crops and produced goods which were essential for the sustenance of both the missions themselves and the nearby military outposts known as presidios.

By producing food and other necessary items, missions enabled a level of self-sufficiency that was vital for the survival and operation of these settlements, which were often isolated. This agricultural output not only supported the local population but also contributed to a more stable economy in the region. In this way, the missions were central to the establishment of a network that facilitated trade and resource sharing among settlements, enhancing overall economic unity in early California.

The other options, while potentially relevant in certain contexts, do not directly tie to the primary economic benefit derived from the missions in this specific instance, which is the provision of essential supplies to the presidios.