Periodization.
First of all, it sounds like it would make sense: periodization sounds like a word that would describe splitting something into periods. Also, the other answer choices don't make sense; secularization is the shift from religious beliefs to secular (less religious) ideals, causation is the relationship between cause and effect, and the Renaissance is just, well, the Renaissance (a period in history).
Answer:
It's B) double
Explanation:
War bonds is what helped with the war, Rosie was an icon for all women out there so they can work during the war, and victory gardens are self-explanatory, basically ladies plant gardens whenever the war was happening.
Named for ruler constantine
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.