A Corpus luteum cyst is a type of ovarian cyst which may rupture about the time of menstruation, and take up to three months to disappear entirely. A corpus luteum cyst rarely occurs at age 50+, because eggs are no longer being produced in menopausal women.
the strategy of island hopping was used by the United States in the Pacific theater of world war two. Thought of by Douglas MacArthur, island hopping was a strategy that used the technique of jumping from island to island on a chain to control the chain as a whole vs attacking all the islands at once.
Strategic bombing is a military strategy used in a total war with the goal of defeating the enemy by destroying their morale or their economic ability to produce and transport materiel to the theatres of military operations, or both. strategic-bombing campaign was launched by the Germans as a precursor to the invasion of Great Britain via England to force the RAF to engage the Luftwaffe and so be destroyed either on the ground or in the air.