To find the area, the equation is A = pie x radius to the second power. So first divide the diameter by two to find the radius. Then multiply the radius to the second power and then multiply that by the pie. Once you get the area for both pizzas subtract them to see how much bigger the larger pizza is to the other one.
The Answer is B Anti-foreign forces who won control of the Chinese government persuaded the Boxers to end their fight against the dynasty and join them to destroy foreigners.
The United States involvement in the recent events in Rwanda can best be described as intervention. Involvement at all rules out isolation and diplomacy exists as synonymous to international affairs. The actions wouldn't be imperialistic because the US isn't trying to take control of Rwandan affairs thus it must be intervention - a direct involvement in an effort to allow the nation to conduct its own affairs.