How did the “corrupt bargain” affect the us political party system in the 1820s?
the us went back to having only one political party.
voters did not register as members of political parties.
the democratic political party was formed.
the federalist political party collapsed.

The Democratic Party was formed is the answer. In 1792, when groups of people supporting Thomas Jefferson started using the name Republicans, or Jeffersonian Republicans, to highlight its anti-aristocratic strategies. It accepted its present-day name during the Presidency of Andrew Jackson in the 1830s and that is how the Democratic Party was created.

C.    A new political party was formed—the Democrats  (for edge)

or

C.    The Democratic political party was formed.