According to the Constitution, the Russian Federation is divided into 85 federal subjects (constituent units), 22 of which are "republics". Most of the republics represent areas of non-Russian ethnicity, although there are several republics with Russian majority. The indigenous ethnic group of a republic that gives it its name is referred to as the "titular nationality". Due to decades (in some cases centuries) of internal migration inside Russia, each nationality is not necessarily a majority of a republic's population.
Explanation:when you think of need economically, you talk about human desire.
Need to my understanding are those necessary things of life that are very important and essential in people's lives, when you place your need as an individual in accordance or to how much you want it, then you are following the scale of preference which is very important in economics, as an individual even with least knowledge of economics you should know how to place ur needs accordingly to the level of want. When you place the needless before the needful then you will end up stranded.
Answer:
The main cause was that a few exports had increased European demand. After the war the economy slowed, causing increasing political unrest. Population growth, swelled by heavy immigration, contributed to urban concentration and increased social problems.
Explanation:
B and C. These are both benefits, the other two just don't have anything to do with what the question is asking.