How we cite our quotes: (Chapter.Paragraph)
Quote #4
Someday, Libo warned them, there may be trouble between human and piggy; we will make no path to guide a pogrom to its destination. (9.77)
Libo is very reasonably worried about war between human and piggies. He's trying to thwart human attacks on piggies, which someone could probably see as a kind of treason. As the novel notes in many different contexts, trying for peace in wartime tends to get you seen as an enemy.
Quote #5
"We are dead!" shouted Human. Miro had never seen him so agitated. "We are being murdered every day. Humans are filling up all the worlds. The human build their stupid fence to keep us out, but that is nothing. The sky is our fence!" (14.195)
Human basically equates the restrictions on the piggies with war; not being able to expand is seen as cultural death. If there is to be peace and equality there must be… Piggies in Space.
Quote #6
"The chance for what?"
"To undo what Ender did in the Xenocide three thousand years ago." (15.202-203)
The hope is that peace with the piggies will undo the destruction of the buggers. This is especially the case because the buggers will also establish themselves on the piggies's world. Still, while peace can end or heal war, does it undo the past? Ender killed lots of folks, and while learning peace from that is a good thing, it doesn't bring the dead back to life.