“My profitable reveals {that a} reasonable can prevail on this extremely polarized setting,” Ms. Collins stated. “My victory in Maine reveals that you may be an unbiased voice and take some breaths, do what you assume is true, and the voters, in some states no less than, will reward you.”

Ms. Collins stated she was open to working with former political foes as a way to obtain legislative accomplishments. However having survived a brutal marketing campaign during which Democrats savaged her, Ms. Collins has purpose to carry some grudges. She pointedly famous that Senator Chuck Schumer, Democrat of New York and the minority chief, introduced “a problem” given “the hundreds of thousands of {dollars} in blatantly false adverts he ran towards me.”

Although the exact steadiness of the facility within the Senate will stay unknown till two Georgia runoff races are determined in early January, Republicans are favored to win each seats, seemingly leaving Mr. Biden as the primary Democratic president since Grover Cleveland in 1885 to take workplace with out Democrats in charge of each congressional chambers. A fraction of Republican assist — seemingly, that of Ms. Collins and Senator Lisa Murkowski of Alaska, who faces re-election in 2022 — will likely be wanted to advance each his legislative and political ambitions.

“It places her in a really robust place to get issues finished within the Senate,” stated Steve Abbott, her marketing campaign supervisor and a longtime adviser. He described “a particular self-confidence that comes” from “beating the percentages,” one which, he added, “strengthens her to the core, to do what she thinks is true.”

In a sign of the place the facility may relaxation within the 117th Congress, Mr. Biden has but to talk to Senator Mitch McConnell of Kentucky, the Republican chief. However he made a degree of calling Ms. Collins earlier than his personal victory was cemented. (Mr. Biden formally endorsed Ms. Gideon throughout the marketing campaign, however didn’t seem in particular person together with her.)

“I do know we come technically from political backgrounds which might be totally different, however they’re not that totally different,” Mr. Biden stated in a 2017 video filmed in honor of Ms. Collins receiving an Irish Heritage Heart award. “We’ve develop into quick and good buddies, and I sit up for you persevering with to guide in america Senate, Susan.”