Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Twelfth Amendment to the United States Constitution:

"

The Whig strategy narrowly failed as Van Buren won an electoral vote majority and an apparent popular vote majority, winning Pennsylvania by 4,222 votes. In South Carolina, whose presidential electors were Whigs, no popular vote was held as the state legislature chose the electors.[citation needed]