Each question below has two blanks, which is indicating

Solution

The sentence discusses the impact of an agreement, specifically the reopening of a highway, in the context of a state's divisions.

•   Immediate means occurring or done at once; instant. This fits the practical nature of the impact.
• Visible means able to be seen. This word accurately describes the symbolism of a major highway being shut down due to civil strife.

Therefore, the agreement's immediate practical impact (the reopening of NH-2) addresses one of the most visible symbols of the state's divisions. Pristine means in perfect, clean condition, like new. Unperceivable means impossible or very difficult to notice or perceive. Rationalized means to justify one’s actions with plausible but often untrue reasons, or to make a system more efficient. Diluted means to make a liquid thinner or weaker by adding another substance, like water, or to weaken the value or effect of something.