Former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE issued a statement Tuesday on the death of former Rep. Ellen Tauscher (D-Calif.), who also served as undersecretary of State for arms control and international security affairs under Clinton.

“During her 12 years in Congress, she helped bring opportunity to California and end ethnic cleansing in Kosovo. She made America and the world safer through her work on arms control at the State Department,” said the statement, which was also attributed to former President Bill Clinton William (Bill) Jefferson ClintonEpstein podcast host says he affiliated with elites from 'both sides of the aisle' Ruth Bader Ginsburg lies in repose at Supreme Court Business groups start gaming out a Biden administration MORE.

“Ellen woke up every day determined to make a difference, and make a difference she did," they said. "She was fearless, brilliant and bighearted. When she walked into a room, it lit up.”

Bill and I are deeply saddened by the passing of our dear friend Ellen Tauscher. Ellen woke up every day determined to make a difference, and make a difference she did. pic.twitter.com/86BRmtB4Qt — Hillary Clinton (@HillaryClinton) April 30, 2019

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In her role in the Obama-era State Department, Tauscher negotiated arms treaties for the U.S.

Clinton told Politico that Tauscher was "the most important person in getting us to the negotiation of the New START Treaty," which limits the number of nuclear warheads Russia and the U.S. can deploy.

Tauscher's family issued a statement Tuesday saying that she died of pneumonia at the age of 67.

"Ellen was a force to be reckoned with from the time she was a young girl growing up in Harrison, New Jersey," the family said. "She succeeded at everything she did and made her mark wherever she went. She was the strongest, bravest person we have ever known."