Although the nation was united under a single political party, division emerged resulting in the eventual development of new parties. compare the causes of these jefferson division leading to the first two party system in the 1790s

The correct answer to this open question is the following.

The specific explanation is the following.

The federalists that were led by Alexander Hamilton considered that the best political option to rule the United States was a strong central government that could govern the forming nation. In total opposition, the antifederalists,-led by Thomas Jefferson- thought that a strong federal government could turn into tyranny, as was the case of the English monarchy and the antifederalists did not want that for the United States. That is when these two political poitn of views were so different that polarized the delegates.

The antifederalists demanded the inclusion of a Bill of Rights to the US Constitution that was finally drafted by James Madison.