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.
During the Civil War, federal power expands to include a national income tax, a national currency, and a federal draft. Civil War, Federal Powers, National Currency, Taxation, Tariff, Draft, Emancipation, Slavery, Eric Foner, Columbia University. Expansion of Federal Power During the Civil War. . 12 Jan. 2007. NBC Learn.