Where from do ve get leather and wool​

Leather: Most leather produced and sold in the U.S. is made from the skins of cattle and calves, but leather is also made from sheep, lambs, goats, and pigs. Other species are hunted and killed specifically for their skins, including zebras, bison, kangaroos, elephants, crocodiles, alligators, ostriches, lizards, and snakes.

Wool: Wool primarily comes from sheep, with Merino wool coming from Merino sheep. Wool is made up of the protein keratin - the same protein found in human hair.

Explanation:

many battles and wars (such as the one at gettysburg), are commemorated by statues or monuments, with some areas preserved as monuments and national parks. do you think this contradicts the message of "grass"? in at least 200 words, explain your thinking and cite evidence from the poem to support your opinion.