A Three Level Outline. A three level outline is made up of headings for sections, subsection, and paragraphs of a paper. Paragraph headings should provide the topic sentence (or phrase) that all sentences in the paragraph will. support.
A word that can function by itself as a noun phrase and that refers either to the participants in the discourse
Example: him, her, I, you, etc.
Basically a noun that isn't proper such as a name
Back then women couldn't be actors
Answer:
"which became popular in the 1960s"
Explanation:
"which became popular in the 1960s" is the answer because is starts with 'which'