How did native Americans respond to the loss
of land from white settlement of the Great Plains?

They killed soldiers, attacked and destroyed wagon trails

"Native Americans resisted by attacking wagon trains, stagecoaches, and ranches. Occasionally an entire group would go to war against nearby settlers and troops. The first major clash on the Plains began in 1862, when the Sioux people in Minnesota launched a major uprising."

Comes straight from the book the question i asked in, on page 426

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

ghana achieved independence peacefully, while algeria gained independence through an armed struggle.