Eric Walker added Fentanyl and the U.S. Opioid Epidemic | Council on Foreign Relations to Opioid epidemic in North America

Eric Walker removed Opioid epidemic in the United States from Opioid addiction and dependence

Eric Walker placed Opioid epidemic in the United States under Opioid epidemic in North America

Eric Walker removed Opioid epidemic in Canada from Opioid addiction and dependence

Eric Walker placed Opioid epidemic in North America under Opioid addiction and dependence

Eric Walker placed Opioid epidemic in Canada under Opioid epidemic in North America

Eric Walker updated the time prefix for Opioid epidemic in North America to be "2000"

Eric Walker updated the time prefix for Opioid epidemic in North America to be "2023"

Eric Walker added Opioid epidemic in North America to North America