Final answer:
The statement that is NOT true about 1920s agriculture is Laws against farm foreclosure protected them.
Step-by-step explanation:
The statement that is NOT true about 1920s agriculture is Laws against farm foreclosure protected them.
During the 1920s, farmers faced severe economic challenges due to overproduction, which led to low prices. The increased mechanization and debt to expand, as well as the vast expansion to provide for the nation during WWI, were true statements about agriculture in the 1920s. However, there were no laws against farm foreclosure to protect farmers during this time.