Interest groups do not want to operate the government they do not put forth political candidates support candidates who will promote their interests. Factions are subgroups within parties trying to obtain power or benefits. Acting as the organized opposition the the party in power. Highly invested political party members make stuff happen. Us has a two party system, which has been around since 1800. We can divide the evolution of the nation"s party system into seven periods. The period from andrew jackson"s presidency to just before the civil war (1828-1860) The civil war and post civil war period (1860-1896) The republican ascendancy and the progressive period (1896-1932) 1st partisan political division occurred before the adoption of the constitution. Federalists pushed for the adoption of the constitution, anti-were not. Federalists represented commercial interests such as merchants and large planters. Republicans had 20 good years of elections and by 1816 the federalists had collapsed.