Answer:
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The correct answer is <span>a. Admission of California as a free state, elimination of slave trade in Washington
Although California is technically located in the south, it was admitted as a slave free zone in order to keep the balance of slave and non-slave states in the congress. The elimination of slave trade in Washington made it illegal to trade in slaves in other areas too if they wanted to eliminate slavery completely, which was disliked by the south.</span>
Jerusalem built in the late 7th century.
Ans: There are a number of ways to produce hydrogen: Natural Gas Reforming/Gasification: Synthesis gas, a mixture of hydrogen, carbon monoxide, and a small amount of carbon dioxide, is created by reacting natural gas with high-temperature steam. Electrolysis: An electric current splits water into hydrogen and oxygen.
B. Race riots in Chicago and other cities