The correct answer is - Sao Paolo, Brazil.
Sao Paolo is a remarkable city. It is located in the southeastern part of Brazil. This city has experienced, and still is, a rapid development, and also its economic power is growing with each year, making it not just a regional center, but a city that is starting to have influence on the global market as well. Because of this, Sao Paolo has earned the nickname ''the South American Detroit''.
Sudan and the democratic republic of Congo
An economy that balances government intervention with free enterprise is known as a mixed economy. This is the scenario in which the assets of country is owned by both the private and the government individuals. The ownership is shared. Unlike in the command economies where the government owns assets and in the free market its vise versa.
The Rio Grande is not shared by the United States and Canada.