Africaâs most active volcano, Mount Nyiragongo is located in Virunga National Park in the Democratic Republic of Congo. The main crater is 2km wide and, since 1882, it has erupted at least 34 times.
Dual federalism was used in the U.S. under Jacksonian democracy (Andrew Jackson), emphasizing local autonomy and individual liberty. After the Civil War, the federal government increased power and moved away from dual federalism. Key Terms laissez-faire: an economic environment in which transactions between private parties are free from tariffs, government subsidies, and enforced monopolies with only enough government regulations sufficient to protect property rights against theft and aggression.
A model of federalism in which the states and the national government each remain supreme within their own spheres. The doctrine looks on nation and state a co-equal sovereign powers. Neither the state gov. nor the national gov. should interfere in the other's sphere. (During the Civil War time)