Name the 4 Eons and the importance of each

the Hadean Eon, the Archean Eon, the Proterozoic Eon, and the Phanerozoic Eon.

Explanation:

Archean Eon, the Proterozoic Eon, and the Phanerozoic Eon.

Explanation:

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.