I believe the answer to that would be "B", "descriptive, yet brief."
Answer:
He invoked the principles of human equality contained in the Declaration of Independence and he connected the sacrifices of the Civil War with the desire for “a new birth of freedom,” as well as the all-important preservation of the Union created in 1776 and its ideal of self-government.
Explanation:
Answer: See explanation
Explanation:
Series of items: When there are a series of items, the comma can be used to separate them e.g. I went to the market and bought rice, yam, beans and egg.
Introductory word or phrases: The comma can be out after an introductory word or phrase e.g. However, the dog bit the boy.
Interrupting phrases: The comma can be used for an interrupting phrase to give more information.
Compound sentences: Comma can be placed between compound sentences even though each sentence can stand on its own e.g. Tom doesn't like mangoes, so he threw them away.