Answer:
Moral consistency requires that once we make a set of moral, that we should keep to them, and not change them willy nilly.
Explanation: Lets say that the first set of morals said that you should not lie. However, some people decide that they want a different set of morals, and try to change the overall set of morals. This will confuse others, making it hard to maintain a set of morals. (Hoped this made sense)
Force or oblige (someone) to do something.
Write about "time" because time is very valuable since you can't gain it back if you know what I mean
The sentence that contains a plural subject is: The candidates for class president are giving their speeches tomorrow. The subject in this sentence is the word "candidates" and this is a plural subject. When the subject is plural, the verb that should be used in the sentence should also be in the plural form which is the word "are". The rest of the choices above have single subjects.