Answer
The word "author" is the simple subject of the sentence.
and Explanation:
The subject of a sentence is its topic - what the sentence discusses.
In the sentence "The world-famous author will autograph her books at the mall this afternoon," the complete subject is "the world-famous author". A complete subject includes the simple subject and any modifiers accompanying it. In this case, "author" is the simple subject, that is, the main word that refers to what or whom the sentence is about.
The answer is African Americans because they are likely to engage to activities that will lead them to have a stroke and by that, the incidence of stroke is high among them. Stroke occurs when the brain lacks oxygen and nutrients that causes an individual's brain cells to die.
