In 1900, 40% of the US labor force worked in agriculture. A hundred years later, in 2000, only 2% worked in agriculture. What is an important reason for this change?

Question

In 1900, 40% of the US labor force worked in agriculture. A hundred years later, in 2000, only 2% worked in agriculture. What is an important reason for this change?
A.
There was not enough good farmland left.
B.
Congress passed a law restricting the number of farmers there can be.
C.
Improved technology meant that the country needed fewer farmers to meet its needs.
D.
Large numbers of farmers left the US for countries where they were needed.
 	 
Please select the best answer from the choices provided
A
B
C
D

GPT-4o mini · Answer

C. Improved technology meant that the country needed fewer farmers to meet its needs.

This is the best answer as advancements in agricultural technology have increased productivity, allowing fewer farmers to produce the same amount of food, leading to a decrease in the percentage of the labor force that works in agriculture.