But it is the only system that has banished famine.

Under communism and feudalism there was hunger.

Under capitalism the world has been able to feed twice as many mouths as could be fed before.
Capitalism found a world of wood and iron ore, and made it into a world of steel.

How?
It puddled the pig-iron until the dross was out, and the pure metal was bessemered into steel.

Now the task is to purify men as we have purified metals.