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Answer:
President Herbert Hoover is often blamed for the great depression for many reasons, he had ideas put into place that were meant to aid the problems in the economy but hurt it instead.
Explanation:
It has done this because when they have to extend a train track or the road they have to get rid of a forest that is growing just because they want more people to get around and travel. Also they have to do this because imagine of you are just driving through a forest and then a tree is leaning and then it gets in the way of the road when it falls.
The Treaty of Tordesillas was between the Spanish and the Portuguese, the impact was to clear up confusion on newly claimed land in the New World...honestly I hope that helps and it's right