Which portion of the earth is believed to generate it's magnetic field

Why did macarthur want to invade china? why did truman oppose this?

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

How did geographic isolation affect the islands in the australasia ecozobne?