This is called the frustration of purpose. It's a doctrine about how cases would be solved if unforeseen circumstances were to occur. A modern example would be if you took a mortgage but an earthquake completely destroyed your house. Due to the frustration of purpose, you could have your mortgage canceled because you don't have a house that the mortgage was for, so you wouldn't have to pay for it any more.
Hannibal’s cavalry commander, Maharbal, supposedly uttered the famous phrase: “Hannibal, you know how to gain a victory, but not how to use one.” This came after Hannibal declined to besiege Rome following his victory at Cannae. A major reason for this was that Hannibal was far less skilled at sieges than field battles.
Unions forced employers to raise wages and improve working conditions or they wouldn't have laborers. Unions used picketing, protesting, and boycotting to get what they wanted. Through unity, unions helped the working man get what he deserved.
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One way to get extra information that might help you determine the relative ages of these rocks is to examine any fossils contained in the layers. The time period that these fossils appear might be known, and this could help you begin to sort out which rock layers are older than others.
Explanation:
on edgenunity 2020
The reasons for war were many, but there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.