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.
B. They are longer and more detailed
A. It encouraged expansion by granting low-cost land to settlers
I would be a bit frighnted, as these new people from a different country came into my country, to raise or expand their social, political and economic policies, I wouldnt know what they would do.. would they take over our land?
