Explanation:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
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The two significant historical occurrences that advanced the development of music in the 19th Century are the rise of the middle class and the increased levels of freedom practiced by various classes in society.
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- With the advent of reformative ideas and the emergence of new and improved earning opportunities, the middle class that formed a large part of society developed and adopted new standards of living. The discipline of entertainment gained wide popularity and art gained demand.
- The awareness regarding freedom, liberty, and rights made people more sensitive about their own lives. These events advanced the development of music and other art forms throughout the 19th century.
The main causes of the October Revolution was the failure of the Provisional Government and the strengths of the Bolshevicks, however this couldn’t have caused the war on its own, so there were other causes. These causes were the role of the people as a mass and world war one. These factors helped the Bolshevicks gain support. During the war Russia were suffering heavy military defeats, especially in the battle of Tannennburg. Due to this mass loss of lives that the Russian army had suffered, Russia’s position was in a very bad state and troops were deserting the army. The provisional government was failing to deal with the issues in Russia.
Source:
http://www.markedbyteachers.com/gcse/history/what-were-the-causes-of-the-october-revolution-in-russia-1917.html