First of all, the 'Mushroom Kingdom' in SMRPG is called that just because it's the capitol city of the Mushroom Kingdom. The city is basically it's own land, just like Washington, DC. Sure it's in Virginia, but it's not. Same thing with the Mushroom Kingdom city. Sure it's in Grass Land, but it's its own city. Second of all, Wario does not have a 'place'. For example, Wario Land 4 takes place in Desert Land. Wario Land 3 takes place inside a music box. VB Wario Land takes place in a pit in the Amazon Jungle, etc. Third of all, the manual said that the Mushroom Kingdom was a 'gateway to the Mushroom World'. Fourth of all, Jewelry Land is one of the lands in Yoshi's Safari. Fifth of all, Sarasaland is it's own country, I never said otherwise. Sixth of all, Dinosaur Land is what is called a 'region'. A region is a group of lands, countries, states, etc., that are all next to eachother and share the same characteristics. Dinosaur Land is a group of islands that all have, you guessed it, dinosaurs. Seventh of all, why would Bowser want to take of a city?
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Don''t quote me on this, but I''m betting that pipe goes somewhere. ---Goombario