OIL petroleum and other gas
Explanation:
The period between 1870 and 1900 in the United States is known as the “Gilded Age” and was characterized by economic and industrial growth, increased political participation, immigration, and social reform.
D. It allows citizens of many European countries to freely travel across the continent.
The Twelve Tables (aka Law of the Twelve Tables) was a set of laws inscribed on 12 bronze tablets created in ancient Rome in 451 and 450 BCE. They were the beginning of a new approach to laws where they would be passed by government and written down so that all citizens might be treated equally before them.
Italy, Belgium, France, Poland, Switzerland, Portugal, Brazil. This was right at the very beginning of the rise of communism. People were tired of tyrant kings and the ruling class, so they decided to do something about it. Marx released his manifesto around this time, which cause more revolutions in 1848.<span />