Coal and wood are two sources which had been used extensively since the 18th century. when steel was commercialized heavily using the Bessemer Proces later at the 19th century. At this time, petroleum became the major energy source of energy and was even used extensilvely in other processes as converting petroleum to fuels.
Answer:
A. The collapse of Communism in the Soviet Union and Eastern Europe.
Answer:
The Church and the states constantly struggled for supreme power.
Explanation:
They always struggled with who gets more power to rule, and how to shape the Western society.
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<em>-kiniwih426</em>
Persecution is hostility and ill-treat meant, especially because of race or political or religious beliefs
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