There are an infinite number of motor solutions for an action (e. g. in terms of different joints, angles, and trajectories, this problem is known as:

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.

Gbdbd. f f. f f f. s. s d d d. s d. s don’t d d d d d d d d d