Former President Jimmy Carter, a peanut farmer and Georgia state governor before becoming president, has died at the age of 100. Since leaving the White House, Carter has logged millions of miles and visited dozens of countries on missions to wipe out diseases, mediate conflicts, advocate for human rights and monitor elections. He's built a legacy that few, if any, American ex-presidents can match.
In Photos: A look back at the life of President Jimmy Carter

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FILE - Former U.S. President Jimmy Carter speaks with a polling official at a polling station outside Juba, southern Sudan, April 13, 2010. Carter's organization, the Carter Center, deployed a team of observers for the elections. Widespread problems with voting prompted Sudanese authorities to extend the voting period from three to five days.

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Former Cuban leader Fidel Castro and former U.S. President Jimmy Carter (L) talk during a meeting in Havana, March 30, 2011. The woman in the center is a translator.

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Former first lady Rosalynn Carter, left, looks on as former President Jimmy Carter and grandson Errol, 4, look at a birthday cake during his 90th birthday celebration held at Georgia Southwestern University, Oct. 4, 2014, in Americus, Georgia.

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Georgia Democratic gubernatorial candidate Jason Carter speaks during a campaign stop as his grandfather, former President Jimmy Carter and wife Rosalynn, left, look on, Oct. 27, 2014, in Columbus.