D all of the above because anything in an ecosystem adds to the biodiversity of it.
<em>Native Americans.</em>
Explanation:
In the early 1800s, white settlers began wanting to expand west, but the land belonged to the Native Americans. The problem was, the Natives did not want to leave whatsoever, and this started to anger the settlers. This was when the Treaty of Echota was brought up, which meant if the Natives traveled to Oklahoma they would keep that land, along with $5 million. Many did not agree to this, which lead to the Trail of Tears, which forced the Natives that did not move west, to walk there in extreme conditions, with little food or water. The Trail of Tears killed most of the Native Americans that took this journey.
Answer:
In a new poll released by the Public Religion Research Institute (PRRI) on Tuesday, a whopping 43 percent of Americans told researchers that discrimination against whites has become as large a problem as discrimination against blacks and other minority groups. And an even bigger share of Americans — 53 percent — told pollsters American culture and "way of life" have mostly changed for the worse since 1950.
Explanation:
The Sierra Nevada Mountain.
Explanation:
World War I or the First World War, often abbreviated as WWI or WW1, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Contemporaneously known as the Great War or "the war to end all wars",[7] it led to the mobilisation of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history.[8][9] It also was one of the deadliest conflicts in history,[10] with an estimated 8.5 million combatant deaths and 13 million civilian deaths as a direct result of the war,[11] while resulting genocides and the related 1918 Spanish flu pandemic caused another 17–100 million deaths worldwide,[12][13] including an estimated 2.64 million Spanish flu deaths in Europe and as many as 675,000 Spanish flu deaths in the United States.[14]
