<span>The Spanish investigation team claimed that the explosion was only an accident caused by some internal problem on the ship; American investigation said the explosion must have been caused by a Spanish mine in the harbor. Spanish authorities felt that the US was trying to intimidate them by interfering with Spanish sovereignty trying to affect Spanish policy toward Cuba</span>
Probably rivers and water sources, because you need water to farm, and the water by rivers is rich and the soil is good. So yea the rivers and other water sources would be the main thing.
