Caption
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Stig Jarle Hansen
Professor, Norwegian University of Life Sciences
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Nigerian soldiers patrol on October 12, 2019, after gunmen suspected of belonging to the Islamic State West Africa Province (ISWAP) group raided the village of Tungushe, killing a soldier and three residents. (Photo by AFP via Getty Images)
