Metaphor is one of the many figures of speech in which it uses implied comparison between two or more things that are not related but with specific similarities. Here are examples:
The rejection I received is another door for a great opportunity ahead. She is the glasses of his eye frame. <span>She has bouncy balls of emotions just by seeing him.</span>
The rhetorical device that Reagan uses when referring to freedom in this passage is repetition.
Explanation:
When Reagan refers to freedom in the lines "Freedom leads to prosperity. Freedom replaces the ancient hatreds among the nations with comity and peace. Freedom is the victor. And now the Soviets themselves may, in a limited way, becoming to understand the importance of freedom" he repeats constantly the word Freedom, to emphasize the importance of this idea and make it more memorable for the audience.
The word class that the word in bracket underlined word in the sentence belong to is the adjective.
The adjective is used to modify a noun and give more information about it. Special as used in the sentence means that the pen or brush us used for something different and particularly designed for a unique purpose.