Erosion or weathering are both correct.
In the US I assume? Taxation without representation is always a classic.
He is trying to find things that interest him, he isn't trying to find things that isn't going to interest him.
( to be honest I don't know hope this helps )
The correct answer to the question above is "American Indians lost their lands." The statement that says "American Indians lost their lands" well describes the effect of the allotment system. Allotment system refers to a system in which money and agricultural matters are divided into small portions.