The correct answer to this open question is the following.
Can you imagine your first encounter with an E.T.? Well, that is how Native American Indians thought when they first saw the big ships where English colonists arrived. They probably were shocked to see that big machines never before been seen in that part of the world.
Native American Indians also immediately realized that Europeans were different: different sizes, the color of the skin, too much hair and had beards and mustaches, the color of the hair, and different languages.
Later on, when they could interact, Native American Indians realized that the only motive for white settlers was to get more land and make a profit. They thought that whites only considered nature as natural resources and raw materials to be exploited.
On the other hand, for Native Americans, the land, nature represented something sacred that needed to be honored for all they received from mother nature. That is why the Natives offered chants and dances as a way to show appreciation