oil
trading centers
Canada is one of the world's largest agricultural producers. Grain is one of the leading Canadian exports. Beef, pork, and veal is another large export. Dairy, poultry, and eggs are a domestic agricultural product of Canada.
Aztec
The noun 'world' is a count noun; one world or both worlds. Example uses: Alfred Nobel was a man of two worlds, the world of science and the world of humanity. They don't agree on anything, they're worlds apart.
Citizen Robespierre was one of those (a leading figure in) urging "The Terror"; ironically, he went to the guillotine himself when the revolting peasants ran out of aristocrats.
uranium
its lapaz capital of bolivia
Ethiopia
Great Britain
One of the worlds largest copper producers in Africa is Zambia.
I am not positive, but I'm pretty sure that it is Italy (my other choice would be Greece- One of those)
Japan is one of the worlds most leading producers of technology and games. Some examples are Pokemon and Things like that.
Rice
no
Yes. Uzbekistan is one of the worlds largest cotton producers
Emeralds discovered in the late 1940's and mined commercially in the 1950's and is now one of the worlds leading producers. 15 to 20% of the worlds Emeralds come from the Kafubu mine in Zambia
no one