How did Diocletian's changes affect the Roman Empire? The changes increased taxes and caused greater poverty. The changes increased unrest and caused many civil wars. The changes helped end unrest and protect against invasions. The changes brought the empire together as one united empire.

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.