The wind mill.............................4
The grass lands were full with bison and grass.
Native americans also lived ther.
But the rail road made it harder for the Native americans to hunt buffulo because of the railroad the buffulo were killed.
The iron plow helped take out the hard soil and plant seeds in the gtreat plains.
The gold rush when this man just faund one gold nugget and told every one else so then every one went but they looking as hard as they could but did not find ene thing.
The wind mill brings water from deep down up to the surface.
Native Americans lived inthe great plains where ther was alot of buffulo where Native American hunted them for food and their bones for tools.