Answer:
Advantages of tissue valves compared to mechanical valves include the avoidance of lifelong warfarin therapy to prevent the development of blood clots. A disadvantage is their relatively poor durability compared to mechanical valves, with many requiring a re-operation in 10 to 20 years.
It ended any hopes of war on British soil
They were created to finance endeavors that were far too expensive for individuals to invest in and even governments to fund.
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He wanted more land for America
Russia, Italy, and Japan had the least day in the treaty. Russia had a civil war that turned them to communist, Italy had a government takeover by Mussolini into a fascist government, and Japan invaded almost all of China and turned fascist as well.