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Dignitaries take part in a forum for social cohesion and the reaffirmation of the presence of the state, held by Niger Interior Minister Alkache Alhada a week a massacre of civilians by jihadists that this country has known (Getty Images)

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Photo by National Archive/Newsmakers

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A microchip developed jointly by the Air Force Research Laboratory and American Semiconductor (U.S. Air Force Photo)

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DoD Photo by Jonathan Koester

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President Joe Biden, with Secretary of State Antony Blinken, meets virtually with members of the "Quad" alliance of Australia, India, Japan and the US on March 12, 2021 (Photo by OLIVIER DOULIERY/AFP via Getty Images)

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U.S. President Joe Biden delivers remarks in the State Dining Room of the White House on March 15, 2021 in Washington, DC (Drew Angerer/Getty Images)