This graph shows the average size of American farms from 1910 to 1990.
What most likely explains the change in the size of
farms?
Average Size of Farms in the US
1910-1990
500
400
O Farms became less productive, and the average
size decreased.
O Farms became more productive, and the average
size increased.
O Farmers embraced new technology, which allowed
farms to shrink.
O Farmers rejected new technology, and farms had to
expand as a result.
300
Average Acres per Farm
200
100
1910
1930
1990
1950 1970
Year