Read the excerpt. Which idea about the place of the explorers on nature's frontier does the diary entry best support?
One man wrote in his diary: "It's a hard, rough, jolly life, this marching and camping: no washing of self or dishes, no undressing. no changing of clothes. We have our food anyhow, and always [soaked] with blubber-smoke: sleeping almost on the bare snow and working as hard as the human physique is capable of doing on a minimum of food."