How many contries are there in the world?

Who came up with the theory of evolution

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 has the geography of india made it difficult for its people to expand before modern technology?