The correct answer is:
C. Olmec
The Olmec civilization used to create stone representations of human heads sculpted from large basalt boulders, these are called " Olmec colossal heads". The heads date from at least 900 BC and are a distinctive feature of the Olmec civilization of ancient Mesoamerica.
That should be the scientific revolution. That's when people started abandoning the ideas that the church presented and they started focusing on science. It was then discovered that Earth is not in the center but rather goes around the Sun, and Newton made his laws and science and education flourished during that period.
War erupted in Yugoslavia because the country was a <span>multinational state. T</span>he answer to your question is D.I hope that this is the answer that you were looking for and it has helped you.
Bolsheviks formed part of the Red Army. They started a provisional government that led to the formation of communism and the Soviet Union in Russia. This group represents the end for the Russian Empire, and henceforth they controled the Russian Revolution.
Their role during the Russian Revolution was related to the Romanov Royal Family. Tsar Nicholas II possessed the title of Russian Emperor at that time, he was assassinated with his entire family by the Bolsheviks in 1917. This monarch had rather incompetent counselors, they aimed the tsar to kill people unfairly and stop attending their major problems- such as hungry. Bolsheviks presented themselves as the people's deffensors, and ended with the prestige and richness of not only royal family but nobles. Their provisional government was not rather stable, it took quite a while to stablish a Soviet Union.