Which statement best describes Spanish missions in
South America in the 1600s and 1700s?
They were used as forts for Spain's conquest of the
rest of the continent.
They were built along major trade and shipping
routes
They were established in only a few inland areas.
They were set up to convert people throughout the
empire

the answer is C; they were established in only a few inland areas.

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battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest