Similes- a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid
Example- She was as sly as a fox.
Metaphor- a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable.
Example-Laughter is the best medicine.
LOL because he didn't have a bat robe
part 1: humans need guidance
part 2: prevent government abuse
Answer:
Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.