The kids like to play games, play is the verb games is the subject or kids one of those two so yes it is a sentence
Yes, true. they do struggled for equal rights.
I would go with nature because thats what it sounds like to me hope this helps<span />
The type of pronoun is used to show the connection between the antecedent and the subordinate clause of a sentence is a relative pronoun. Relative pronouns are used to link a clause or phrase to a noun or pronoun. Hope this helped!