In the early 1700s, missions were moved to San Antonio a. because it was the halfway point between New Spain and the eastern missions. b. because fewer people were attending mission services, forcing many to shut down. c. to lower costs. d. to better fight hostile Native American troops.

C. To lower cost

Explanation:

After considering various travels they have made and cost they have incurred, also more journeys they'll embark made them to the missions to San Antonio to save cost

answer; (cognitive   dissonance);

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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