Answer:
The American Civil War (April 12, 1861 – May 9, 1865, also known by other names) was a civil war in the United States fought between northern and Pacific states ("the Union" or "the North") and southern states that voted to secede and form the Confederate States of America ("the Confederacy" or "the South").[e] The central cause of the war was the status of slavery, especially the expansion of slavery into newly acquired land after the Mexican-American War.
In July 1938, Corrigan piloted the single-engine plane nonstop from California to New York. Although the transcontinental flight was far from unprecedented, Corrigan received national attention simply because the press was amazed that his rattletrap aircraft had survived the journey.
The two word term would be Power vacuum.
Explanation:
A power vacuum is what happens when there is sudden loss of authority in the governance and there is no potent replacement of it in sight.
This is usually what happens after the death of a long reigning dictator or a strong leader who had held the country so that there was no other alternative ready.
So the stability of their governance leads no potent alternative and makes a power vacuum in the nation.
The power vacuum will be the void of no strong leadership here.