Under Washington's Presidency the federal government was strengthened by the A. suppression of the Whiskey Rebellion
B. esatblishment of a national language
C. formation of military alliance with England
D. elimination of political parties

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.