Answer:
1. Invented
2. Is
3. ...this will happen
4. ... further discussion is useless
5. Celebration
Explanation:
1. George Ferris was the inventor of the Ferris wheel used in amusement parks.
2. The verb is that links the subject with the complementive predicate.
3. The causal adverb if has to be followed by something provoked by the action mentioned in the first part of the sentence.
4. Like in nr. 3 the conjunction of reason since demands another action.
5. Kwanzaa is a harvest celebration
The word realm could mean a type of dimension or a specific place.
In Chapter 2, the author writes about the landscape that the people see; in Chapter 10, the author writes about the buildings the people work in at the stockyard.