Hillary ClintonHillary Rodham ClintonGOP lawmaker breaks with Trump on government hiring freeze Feehery: A March without purpose The Women's March was about tantrums, not women MORE early Monday faced questioning of her use of a private email while secretary of State as she hopes to pull out a win in Iowa, which on Monday becomes the first state to cast votes.

The Democratic presidential candidate also touted her bipartisan efforts in the Senate and work with both political parties while secretary of State to cast herself as a uniter.

"I know how you get things done. I am a progressive who wants to make progress and actually produce real results in people's lives. That's what I'm offering," Clinton said on CNN's "New Day."

"I'm not over-promising," Clinton continued, taking an implicit shot at Sen. Bernie SandersBernie SandersOvernight Finance: White House says Trump left business | U.S. to pull out of TPP | Trump D.C. hotel bleeding cash The Rockefeller scheme to attack Exxon Mobil AT&T beefs up lobbying after merger proposal MORE (I-Vt.), who she is hoping to fend off when supporters go to caucus Monday night in the Hawkeye State.

"I'm laying out the plans that I have, I'm asking people to look at them and I'm asking people to hold me accountable, because I want to get back to working together, to try to unite this country," she said.

Clinton maintained an upbeat tone during the CNN appearance, part of several media interviews Monday, saying she was proud of her supporters in the state and urging viewers to caucus for her.

The former secretary of State continued to insist that there is nothing new regarding her use of a private email server days after the State Department declared that 22 of the emails were "top secret" and would not be released to the public.

Clinton pivoted Monday to compare the latest update regarding her emails to the GOP-led House investigation into her handling of the terrorist attacks in Benghazi, Libya.

"Just a lot of innuendo, a lot of attacks," Clinton said.