|  Since the beginning of time humans have lived with animals. In ancient times, people used animals the way they wanted to and there was no discussion of whether that was right or wrong. Animals were used for sports, entertainment, food, labor, clothing, transportation, and protection. As people became more sophisticated they began questioning the appropriateness of how humans were treating animals. In late 1800, people started using animals for testing chemicals and drugs to determine if they are safe for human. Some people thought this was cruel and unnecessary; they believed that animals are their own beings and they should be left alone to live their lives the way they were meant to. Others believed that animals were people's property and that owners had the right to do whatever they wanted to with their property. These disagreements began the controversy over animal rights.
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