Answer:
Trees ; sod
Explanation:
The prairie region is covered by large amount of Grass with little to no trees. In order to built shelter that protect them from cold weather, many people who live in this area build cabin by using the combination of clay and grass. This combination is most commonly known as sod.
Compared to using woods, sod houses provide less protection from the weather and weaker structures. But, it's a perfectly good alternative for the people in prairie considering that they do not have other better resources
I want to help you but I genuinely have no clue
Opportunity is defined in Webster's Dictionary as 'A good position, chance or prospect for achievement'; which is easily connected to the idea of The American Dream. After all, isn't America known as 'The land of opportunity';? Most people came to America, and still come for that matter, in search of a better life through hard work and dedication to their cause. In 'China man's Chance: Reflections on the American Dream'; by Eric Liu, it is stated that '...it (the American Dream) does demand the opportunity to achieve progress-and values the opportunity as much as the achievement.'; This statement is imperative because it gives recognition to those who try to reach their goals, even if they cannot achieve them fully.
Well I don't see any options so my guess would be:
Don't pick any opinions because if your writing a research paper then you should have your paper based off of facts and things you have seen off of the internet.
Hope this helps and Have a wonderful day!