Mohammad ghandi protested british laws by

Marching to the sea. P.s. his first name is mohandas

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.

Joke: i thought it said drake and josh at first answer: probably unsure about this law. depending on how long the time is.