Faced with sagging poll numbers and a concerted effort from Donald Trump to break into traditionally Democratic constituencies, Hillary Clinton started stacking sandbags around one of her key demographics Friday: African-American women.

Clinton went to Washington, D.C., to speak to the Black Women’s Agenda symposium. Her tactic was simple: vilify Republican presidential candidate Donald Trump and stir up the black women’s vote, which she said was the strongest-voting demographic in the 2012 election.

“Black girl magic is real,” said Clinton.

Clinton pandered mightily.

“Black girl magic is real,” said Clinton.

According to Julee Wilson of The Huffington Post, “‘Black Girl Magic’ is a term used to illustrate the universal awesomeness of black women. It’s about celebrating anything we deem particularly dope, inspiring, or mind-blowing about ourselves.”

Clinton sprinkled her speech with tactics sure to be repeated until Nov. 8. Clinton reminded voters that Trump initially thought President Obama’s birth certificate was suspect — which she implied was a racist attack. She also attacked Republican policies on voter registration, suggesting the GOP seeks to suppress the black vote.

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Later in the day, Clinton will appear at a campaign event with First Lady Michelle Obama at George Mason University in northern Virginia to talk about registering to vote.

The voting bloc of black voters, particularly black females, is key to a Clinton victory on Nov. 8. With sagging numbers with independents, men, and non-college-educated white voters, Clinton appears to be frantically locking down her base before she begins the arduous task of reaching out to more resistant voters.

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All the while, Hillary Clinton has to make sure Trump doesn’t pick off her own voters.

Trump has also been targeting key demographics of women and minorities, giving real policy speeches on child care, paid leave, and school choice. Clinton apparently believed it was time to start stacking sandbags.

“I would not be the Democratic nominee for president of the United States were it not for black women who made so much noise at the polls,” Clinton told the symposium.

Almost immediately after the speech, Trump arrived at an event at his new hotel in Washington, ready to explain his initial beliefs that President Obama’s birth certificate was suspect.

For Friday, it seems, Clinton had some success turning the conversation away from the “basket of deplorables” controversy, and the serious questions about her health.