The correct answer is Hyperbole.
Hyperbole refers to exaggeration of a statement, which should not be taken too seriously, just like in the given statement above, wherein even the stoplights show courtesy to the king's fancy car, it is a form of a hyperbole.
Yes it does imply that they have responsibility
Southwest - The southwest was dry and the Native Americans lived in tiered homes made out of adobe bricks. Famous tribes here include the Navajo Nation, the Apache, and the Pueblo Indians.
Northwest Coast/Plateau - These Native Americans were known for their houses made of cedar planks as well as their totem poles. Tribes include the Nez Perce, Salish, and the Tlingit.
Because it was harder to travel over moountains.