Parallelism is the type of writing wherein the sequence of sentences are fashioned in a way that they are 'parallel'. It could be same in structure of prose, verbal and grammatical structure and tone of voice. It does not necessarily mean that they depict the same meaning. The important thing to note is, parallelism caters to corresponding sentences just like that of the statement in letter A.
"MAZIE" -- More than 80 years before statehood, a small building near Mazie in Mayes County became the first school in what was to become Oklahoma.
Explanation:
When Herbert Hoover became President in 1929, the stock market was climbing to unprecedented levels, and some investors were taking advantage of low interest rates to buy stocks on credit, pushing prices even higher. Then, the Great Depression began.