The Earth is thought to have been formed about 4.6 billion years ago by collisions in the giant disc-shaped cloud of material that also formed the Sun. Gravity slowly gathered this gas and dust together into clumps that became asteroids and small early planets called planetesimals.
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According to key principles of classical criminology the purpose of punishment is to deter an offender from future criminal involvement.
They wanted to have land that they could farm. The east was already crowded by large farms and cities. They were also in search of gold. There were also many trees that could be cut down and sent east, these people sought out a way to make money, or provide for their families that was not in the congested dirty cities of the east.