To make it parallel I would say to put it in this format: We can’t go back; to go forward is our only option. This makes the verbs the same.
I believe so, because the other sentences restate things
Answer: Focus
Explanation:
In the above sentence, the word ''attention'' is used to communicate focus because it showed a change in interest which is the definition of focus.
The subject in question had been working longer hours but when he stopped, he was able to turn his focus and change his interest towards “Philosophical Studies and Amusements.”
Answer: He argued that observation and experimentation are the most important tools for understanding the natural world. ... It caused people to take a new, logical approach to scientific discovery based on experimentation and observation.
Answer:
The main theme in The Outsiders is social and class conflict. This theme is demonstrated through the two gangs, the Socs and the Greasers. The differences in values and socioeconomic status between the poor Greasers and the wealthy Socs have made them rivals.