It affected them immeasurably because it enabled them to trade this surplus of food for things that they might need from other countries and thus get other pieces of technology or knowledge or anything similar. They could improve their state that way and that's how development of civilizations began.
If Robert McNamara is one of the options, then he is the correct answer - he was important in the Vietnam War, but not during the WWII.
<span>During the old kingdom in Egypt, the government was </span>a theocracy.
William was a writer that posted a newspaper called "The Liberator". This was a abolitionist newspaper. He kept posting these until the end of slavery. The Lovejoy's also wrote things on slavery. Fredrick was the leader of the abolitionists he was a slave that had escaped from slavery and wrote a very important anti slavery writing. <span />