This is a literary technique known as conceit.
A conceit<span> is a kind of metaphor that compares two very different things in a remarkable and smart way. In this poem, the two opposing forces are light and darkness. But still, the author was able to equate them together in a surprising way to relate them both to the theme of beauty.</span>
Answer: Well actually the Fourscore and seven years ago our fathers brought forth on this continent, a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal." "Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived and so dedicated, can long endure.
Have a blessed day mam/sir. ;)
Invaluable means value less scan means scanning
