How do individuals and groups change public policies in the American political system?

Policies are the written or unwritten guidelines that governments, organizations and institutions, communities, or individuals use when responding to issues and situations. They are generally shaped both by logic (e.g., get a medical history before you prescribe medication) and by people's assumptions about reality, including: 1. Assumptions about the way things should be. These are formed by a combination of the values people learn as children, conventional wisdom (what \"everyone knows\")

Explanation:

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.