Which is true of the impact of technological advancements in agriculture? Better equipment and fertilizers made it easier to grow crops
More people moved to farms to take advantage of the new technology
People became over reliant on machine, which led to less food
Georgia changed from an urban state to a rural state

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

How did the kansas-nebraska act contradict the missouri compromise?