The answer is Punishment.
They believed that someone that displayed any form of psychological disorders were displeasing the God and the God took their sanity as a form of punishment.
This belief led to many inhumane treatment (such as caging them in public or even throwing them off the cliffs)
Some scholars date the origin of native cultures in the southwestern United States to immigrants who crossed the Bering land bridge<span> from Siberia to Alaska, approximately 10,000 B.C. Others maintain that native cultures came to the Americas as early as 25,000 B.C. These immigrants settled in what is present-day southern Utah and Colorado, Arizona, New Mexico and northern Mexico. This culture area is contiguous with the </span>Far West Culture<span>, the </span>Plains Culture<span> (to the northeast) and the southern part of the </span>Eastern Woodland Culture<span>.</span>
Native Americans are believed to have descended from the Northeast Asia arriving over a land bridge between Siberia and Alaska about 15,000 years ago and then migrated across North America
Public trust and confidence in the federal government has declined sharply since the 1960s.
D) Klaxon. All the other reindeers belong to Santa.