Why are indians called that?

Explanation:

When Columbus first arrived to what would later be called America, he thought he had reached the Indian Ocean. That's why. And for centuries the name stuck and the native Americans were collectively called Indians in various European languages.

#1 im pretty sure its a.

martin luther believed that selling indulgences was wrong and gave people a license to sin. the roman catholic church used the practice of indulgences to raise money for major building projects.