The option that is not an example of early people adapting their agricultural methods to their physical landscape is soil erosion.
Soil erosion is not an agriculture technique or a method to grow crops. Soil erosion is a form of soil degradation in which the soil loses its fertile properties due to many factors. It resulted from wearing away the topsoil of a field due to natural forces such as the wind, water or human activities such as agriculture.
Shortly after arriving in Europe American troops were able to push to the south and east for the first time while Russian forces moved in from the East.
