"If we wish to be free-if we mean to preserve", "if we mean not basely to abandon" AND "which we have been so long contending", "which we have been so long engaged", "which we have pledged".
Parallelism is the repetition of the same grammatical structure. There are two instances of parallel structure in this excerpt. The first is the "If we ___ to ___" structure. The second is the "which we have _______" structure. By filling the passage with this parallel structure is gives the sense of a list of reasons that all, compounding on top of one another, logically lead to the need to fight. The change from the parallel structures in the last line "we must fight!" makes this exclamation stand out and hold power.
Parallel structures are the way of writing. It means using the same pattern of words to highlight two or more ideas being at the same levels. The parallel structure or framing of sentences is usually used when the passage or the excerpt is based upon the comparison or contrasts the ideas.
All the instances of parallel structure in the given text are highlighted as follows:
These are the two instances of parallel structure as by filling the passage with the help of parallel structure the passage makes the compound sense.
To know more about parallel structure, refer to the link:
https://brainly.com/question/24891258
