The answer to the question is D, as an agricultural society is poorer than an industrial society.
Both sides get something out of it. If people are trading it is likely they are trading for something they don't have direct access to and therefore need to trade something for it so someone else can give it to them. If the trade is fair, both sides are happy and satisfied with the item(s) they received.
The correct option will be the last one: The Indians crossed artificial boundaries setting the stage for conflict. We know this because even though The US agreed to pay the various nations a cash payment every year as restitution for damage caused by white settlers' wagon trainsand the Native Americans agreed to limit themselves to a certain geographical area, to stop harassing white settlers, some people like the <span>Lakota Sioux refused to abide by it.</span>
False, belligerent were Greek and Trojan