Does the expansion of interest groups' political power have anything to do with the establishment of political parties? In that case, how? Then why not, right? Would the two-party system in America be preferred over a multi-party system, which may include some parties created around interest groups? Is the potential for political instability that a multiple-party system may bring about, in particular, worth having more party options?

Does the expansion of interest groups' political power have anything to do with the establishment of political parties? In that case, how? Then why not, right? Would the two-party system in America be preferred over a multi-party system, which may include some parties created around interest groups? Is the potential for political instability that a multiple-party system may bring about, in particular, worth having more party options?