Answer:
The current population of Russia in 2021 is 145,912,025, a 0.02% decline from 2020. The population of Russia in 2020 was 145,934,462, a 0.04% increase from 2019. The population of Russia in 2019 was 145,872,256, a 0.09% increase from 2018. The population of Russia in 2018 was 145,734,038, a 0.14% increase from 2017.
Sources are used in a paper to show what ideas inspired you and whose theories you would be using and you cite the sources in order to avoid plagiarism. If you don't have sources, your paper will not be valid and you could get accused of plagiarism. The more sources you use the better but you should keep in mind that they need to be important for the paper and used with a purpose and not just to increase the number of sources.
Answer: They served as a crude welfare system
Explanation:
