Amanda signed up with the army right after she graduated from high school. she was soon sent to iraq. during her two years in iraq, she witnessed many gruesome catastrophes. upon returning home, she felt detached and estranged from her old friends, was easily startled, and had difficulties sleeping due to the vivid memories of the horrific events. amanda displays the symptoms of

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.