April 12, 2010: The National Emergency With Respect to Blocking Property of Certain Persons Contributing to the Conflict in Somalia was in respect to threats posed by Somali pirates.

February 25, 2011: The National Emergency With Respect to Blocking Property and Prohibiting Certain Transactions Related to Libya froze the assets of Libyan leader Muammar Gaddafi.

July 25, 2011: The National Emergency With Respect to Blocking Property of Transnational Criminals was in response to the rise in crime by specific organizations: Los Zetas (Mexico), The Brothers’ Circle (former Soviet Union countries), the Yakuza (Japan), and the Camorra (Italy).

May 16, 2012: The National Emergency With Respect to Blocking Property of Persons Threatening the Peace, Security, or Stability of Yemen addressed political unrest within the Yemen government.

March 16, 2014: The National Emergency With Respect to Blocking Property of Certain Persons Contributing to the Situation in Ukraine was in response to the Russian invasion of Crimea.

April 3, 2014: The National Emergency With Respect to Blocking Property of Certain Persons With Respect to South Sudan was in response to the ongoing civil war.

May 12, 2014: The National Emergency With Respect to Blocking Property of Certain Persons Contributing to the Conflict in the Central African Republic was in response to violence towards humanitarian aid workers.

March 8, 2015: The National Emergency With Respect to Blocking Property and Suspending Entry of Certain Persons Contributing to the Situation in Venezuela was in response to human rights violations.

April 1, 2015: The National Emergency With Respect to Blocking the Property of Certain Persons Engaging in Significant Malicious Cyber-Enabled Activities was in response to Chinese cyber attacks on the U.S.

Nov 23, 2015: The National Emergency With Respect to Blocking Property of Certain Persons Contributing to the Situation in Burundi was declared after a failed coup.

https://abcnews.go.com/beta-story-container/Politics/list-31-national-emergencies-effect-years/story?id=60294693