Which caused the failure of the fort laramie treaty that promised to protect natives americans "as long as the grass shall grow?

The government broke treaties that were pure and simple. The government was going to hang 300 Dakota Sioux men, but Lincoln stopped it.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

calvin taught his followers that human beings needed to follow strict rules to overcome their nature and do good. second choice