When Stefanik first started out in the House she was a relative moderate, but then she turned sharply to the right to become one of Trump's most loyal followers.
Stefanik said she wouldn't have certified the 2020 election. She spread lies about Dominion voting machines. She claimed Pelosi was responsible for the January 6th attack.
As for Ukraine, she was the only member of House leadership to vote against the Ukraine aid package in the spring.