14. US Military Use of Agent Orange in Vietnam, 1961-1971: Unknown Casualties
When the US military began intervening in the war in Vietnam, the jungles were too thick and dense for the soldiers to navigate them easily. Scientists designed an herbicide that came to be known as Agent Orange; Agent Orange heavily deforested the jungles of Vietnam.
It also caused immense injuries and an unknown death toll among the Vietnamese people. Though the chemical was explicitly designed as an herbicide, its effects on humans had not been thoroughly tested and documented. The results of Agent Orange on the civilian population of Vietnam can still be seen today.
