1. Bolshevik: the Bolshevik are the majority group of the Russian Social Democratic Party. They were named as such because they won most of the vital issues in the Second Party Congress. The group was founded and headed by Vladimir Lenin and Alexander Bogdanov.
2. Bourgeoisie: they are the people making up the middle class. They are the people living in cities and in affluence, as opposed to the proletariat. They have the rights to citizenship as well as politics. The bourgeoisie are the working force of the capitalists, and are tasked to work to maintain the capitalists' reign in the market.
3. Czar: A czar is a male monarch or emperor of Russia before 1917. The word is taken from the Russian term for "ruler/emperor". Nowadays, the title is used to refer to high-level officials who are capable of organizing and running governmental departments .
4. Menshavik: are the members of the liberal minority group of the Russian Social Democratic Party. The group is lead by Julius Matov and were the enemy faction of the Bolshevik in the Second Congress of the Russian Social Democratic Labor Party.
5. Proletariat: the proletariat are the poorest class of working people in the society. The only value of the proletariat lies in their ability to work for others. According to the Marxist theory, the proletariat do not own the means of production and they only serve as the labor power.
Are you talking about this chart? If so, it appears that 30% of military deaths during World War I were Russian deaths.
