One aspect of historical research and inquiry is to cluster events and concepts into meaningful groupings, sometimes by time period. use the table below to organize the events above by their correct era. as an example, the first event has been completed.

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.

answer; collective security;

c. reserves power to the states and people

answer; the miracles;