What is the PRIMARY purpose of the detailed descriptions Barry Holstun Lopez includes in the excerpt from Of wolves and men

to inform the reader about what the forest is like from the wolf’s perspective

to persuade the reader that people she’ll work to conserve unspoiled land in Canada

To express the authors, personal feelings about the beauty of the Arctic forests

To entertain the reader with a fast pace, description of how a wolf hunt a caribou

The PRIMARY purpose of the detailed descriptions in the excerpt from "Of Wolves and Men" is to inform the reader about what the forest is like from the wolf's perspective.