Kayla called her friend Sue on Saturday to see whether Sue wanted to go to the movies. Sue told Kayla she was staying home to study for their upcoming history test. After the call, Kayla decided to study instead of going to the movies.
Kayla was experiencing .

Ibelieve the answer is  battle of saratoga but i could be wrong

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.