Some people argue that there are no significant differences between the two major parties. Backing up your perspective with appropriate sources, what are the major differences and similarities in the views of the Democratic and Republican parties $($e$.$g$.,$ this review of party platforms, $1856-2016$ www$.$washingtonpost.com$/$graphics$/$politics$/2016-$election$/$conventions$/$party$-$platform$-$evolution$/$