Do omnivores have sharp teeth like carnivores or flat teeth like herbivores

Gettysburg address question. what is the best line from the address? why do you think so?

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?