The secondary party system in the Jacksonian era and the party system we have today are similar in many ways, but the modernization of the world This explains the major differences. The main similarity is that both systems have two central parties, often called Democratic and Republican. In Jefferson's time, there were just that: two different parties. But over time, the two parties transformed into sub-parties led by a single party. For example, the liberal wing, progressive wings, and similar wings of the Democratic Party. Another difference between modern times and the 1850s is that at that time the two parties both had similar interests, namely concerns about money and how power was related to money and over how everyone should have equal opportunities. Today, the two parties have very different interests. The main reason for this great interest is due to the size of parties these days. They are enormous compared to those of the Jacksonian era. To summarize, the second party system in the 1850s and the modern system structure are similar, but modernization has evolved the systems to be very