Deidra Reese isn't waiting for people to come to her to find out whether they are registered to vote.

With iPad in hand, Reese is going to community centers, homes and churches in nine Ohio cities, looking up registrations to make sure voters have proper ID and everything else they need to cast ballots on Election Day.

"We are not going to give back one single inch. We have fought too long and too hard," said Reese, 45, coordinator of the Columbus-based Ohio Unity Coalition, an affiliate of the National Coalition on Black Civic Participation.

Reese is part of a cadre of black women engaged in a revived wave of voting rights advocacy four years after the historic election of the nation's first black president. Provoked by voting law changes in various states, they have decided to help voters navigate the system — a fitting role, they say, given that black women had the highest turnout of any group of voters in 2008.

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African-American women, who number about 20 million in the U.S., have long been the largest group of Democratic voters in the country, said David Bositis, senior research associate with the Joint Center for Political and Economic Studies.

Read more at ABC News.