Martin Luther King Jr. played an important role in fighting against racial discrimination. The protest he led in Alabama caught the public's attention. ... He was part of a nonviolent resistant group fighting for the equal rights of African-Americans
The supporting details should be included in the Body Paragraphs of an essay. The introduction is an introduction of what you plan to write about, and the thesis is included in the introduction where you specifically mention your main topics/points. However you elaborate on these in the body paragraphs and these elaborations are your supporting details. The conclusion is a summary of your essay and should not be introducing any new information.
I think the answer might be the deer
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