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 political party was formed.

Explanation:

Andrew Jackson lost in the election of 1824 due to the "corrupt bargain"

Jackson's supporters quickly denounced the election as a corrupt bargain and despised the Adams-Clay alliance, as it was corrupt.

These supporters of Jackson formed the Democratic party, which would win with Andrew Jackson in the next election of 1828.

So, the corrupt bargain created the Democratic political party due to strong dislike of Adams and Clay, who were in the Whig party.

whose power in the senate is equal to the power of the speaker of the house?