I believe the impact had to do with Speculation is the purchase of an asset (a commodity, goods, or real estate) with the hope that it will become more valuable at a future date.
land use because it will show if humans use it for farming thats all i could really think because yes political maps show boundaries that are made by humans a relief map is just hill
It is said that someone in the woods fire their gun three times hide until all the soldiers came toward them then surprised attacked the soldiers that came to the woods to check where the firing came from. Then again this is just a rumor, I don't necessarily know what exactly happened but you should get at least an idea of what happened.
--source Abeka history of the world 12th edition senior level.