What were gladiator games? a. teams of skilled horsemen raced in chariots. b. elite citizens competed in athletic games to achieve wealth and status. c. aspiring politicians engaged in public debate to demonstrate their skills at oratory. d. trained slaves and criminals fought in mock battles against one another or animals.

D.  Gladiatorial games occurred from the custom to kill people (prisoners of war or slaves) over the tomb of a fallen leader, was in antiquity distributed everywhere.  

  Gladiators were recruited from among prisoners of war, convicted criminals, slaves, as well as free citizens-fans of thrills, who went to the arena by vocation, not coercion. In the period of greatest prosperity of gladiatorial fights in the Roman Empire, there were hundreds of thousand gladiators. Training of gladiators was carried out in special schools with the extremely severe regime and cruel punishments.The main type of combat was paired. In addition, there were so-called bestiaries-fighters who fought exclusively with animals, lions, bears, panthers, bulls, etc.

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.