They used wood or more specifically red cedar wood the houses are called plank houses
Yes, racism will exists probably till the world end and the world will never end so ofc racism still exicts and it will always exists
The answer is "reward theory of attraction".
The Reward theory of attraction says we like the individuals who like us and give us compensating encounters. Individuals that truly compensate us are individuals who solicit little from us consequently. For instance you may feel remunerated when somebody you are pulled in to all of a sudden grins at you. It is soliciting next to no from you to restore the grin to make that individual your companion.
Economic groups, Business groups, Labor groups, Agricultural groups (those are just some there are alottt more)
Homesteaders living on the great plains were what you call "Extremely Dramatic". There were lots of conditions on the great plains that affected settlers lives. Here are these problems; building houses, staying healthy, extreme weather, lack of fuel, Indian Attacks, lack of isolation, keeping clean, lack of water, and pests and vermin. The problem with the bugs were grasshoppers. Grasshoppers ruined their crops. Building houses from wood was expensive. The settlers couldn't afford building houses from wood, so they built it from sod. The walls and floors were infested with bugs and lice, because these homes were built from dirt and grass. It would leak in the homes when it rained. They also had problems staying healthy because of the insects. The insects that flew around would inject disease into their bodies. In other words, There are three things that helped them survive, and 3/3 of these examples issued technology. 1.) Barbed wire, 2.) steel plow, and 3.) windmills. The barbed wire was for housing reasons, the steel plow was for cutting through tough prairie sod, and the windmills for pumping water out of the ground. :)