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Arusha, Tanzania - November 22: Exterior view of the headquarters of the East African Community (EAC) on November 22, 2015 in Arusha, Tanzania. (Photo by Thomas Trutschel/Photothek via Getty Images)

Arusha, Tanzania - November 22: Exterior view of the headquarters of the East African Community (EAC) on November 22, 2015 in Arusha, Tanzania. (Photo by Thomas Trutschel/Photothek via Getty Images)

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Arusha, Tanzania - November 22: Exterior view of the headquarters of the East African Community (EAC) on November 22, 2015 in Arusha, Tanzania. (Photo by Thomas Trutschel/Photothek via Getty Images)

Arusha, Tanzania - November 22: Exterior view of the headquarters of the East African Community (EAC) on November 22, 2015 in Arusha, Tanzania. (Photo by Thomas Trutschel/Photothek via Getty Images)

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Maputo, Mozambique - November 19: View of a newly built luxury hotel on November 19, 2015 in Maputo, Mozambique. (Photo by Thomas Trutschel/Photothek via Getty Images)

Maputo, Mozambique - November 19: View of a newly built luxury hotel on November 19, 2015 in Maputo, Mozambique. (Photo by Thomas Trutschel/Photothek via Getty Images)

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Maputo, Mozambique - November 20: View of a newly built luxury hotel on November 20, 2015 in Maputo, Mozambique. (Photo by Thomas Trutschel/Photothek via Getty Images)

Maputo, Mozambique - November 20: View of a newly built luxury hotel on November 20, 2015 in Maputo, Mozambique. (Photo by Thomas Trutschel/Photothek via Getty Images)

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New York, United States - September 25: Flags of member nations in front of United Nations ( UN ) headquarters on September 25, 2015 in New York, United States. (Photo by Michael Gottschalk/Photothek via Getty Images)

New York, United States - September 25: Flags of member nations in front of United Nations ( UN ) headquarters on September 25, 2015 in New York, United States. (Photo by Michael Gottschalk/Photothek via Getty Images)