Answer:
wind-powered pumps and barbed wire
Explanation:
The invention that was largely responsible for the success of agriculture in the Plains is "wind-powered pumps and barbed wire."
This is evident in the fact that the invention of wind-powered pumps was utilized in generating water from deep wells to the surface to water the plants and as well feed the animals.
Also, the invention of barbed wires assists the farmers to fence their farm's lands against the cattle invasion on the farmlands.
