After World War II, driven by prosperity, technology, and the demographic explosion of the baby boom, teenagers emerged as a new cultural and economic force in American society.
The correct answer is Moscow.
Each of the described can be found in Moscow, Russia.
setting up natural monopolies.
Illegal immigration is a problem of the entire federation, not just of the state where the immigrant has entered. That is because the taxes are collected on a federal level and budged distribution is done on a federal level. That means that if a state allows illegal immigration, which usually comprises of people in the gray zone economy, it will harm the people from other states because the immigrants would not be paying taxes and the other states would be receiving less.