Harry Truman actually said...

This time, we must make sure that the tragic events that followed the First World War are not repeated.

For example, we need to press forward with our research program to develop new uses for farm products.

We are working heroically and manfully for world peace that will be permanent and that will be lasting.

In those years of farm depression, farmers could not sell their crops for a decent price, they could not pay for the equipment they needed, ...