A sentence for direct democracy

"In Ancient Athens, they utilized a direct democracy, in which every eligible citizen could vote directly on legislation that altered the course of their state--eliminating the need for representatives". 

  Direct democracy, also called absolute democracy is a type of democracy in which people are the ones that governs and votes each law, rule or decree, no elected individuals are necessary.    

That is in one sentence, absolute democracy is. Democracy in large, is form of government. It ensures and entirely depends on the ruling and sets citizens as the backbone structure to manifest itself into existence. Two types, absolute and representative democracy. On the contrary, representative democracy is where people choose and vote their leaders, thus these elected individuals take responsibility in deciding to accept or deny the law, rule or decree.     

Ibelive the answer is a

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.