When did the caste system evolve into a four tiered hierarchy?A.) when the Aryans ruled over the region - They arrived in 1500BC and developed the grouping of people based on their status and activities in life.
Shortly after noon on November 22, 1963, President John F. Kennedy was assassinated as he rode in a motorcade through Dealey Plaza<span> in </span>downtown Dallas<span>, Texas.
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Answer: 1)allowed California to enter the Union as a free state
2)allowed new states to decide if they will be free or slave
3)lessened the penalties for states not returning escaped slaves
Explanation: it gave states an option of all sorts for comfort
Whites were superior to blacks