Final answer:
Laws were established to protect people, provide order, establish justice, and ensure civil interaction. Laws were created because conflicts among people have historically occurred due to selfishness, greed, and the need to protect property.
Step-by-step explanation:
The key ideas that get to the heart of why laws were established are to protect people from conflicts, provide law and order, establish justice, and ensure civil interaction among individuals. Laws were created because conflicts among people have historically occurred due to selfishness, greed, and the need to protect property. Governments exist to create rules and establish a social contract between the people and their government, where individuals willingly exchange some liberties for basic services and protections provided by the government.