Final answer:
Marah achieves the goal of conveying the full impact of war and how it affects the daily lives of the people affected.
Step-by-step explanation:
By giving contrasting descriptions of her city before and after the start of the war, Marah achieves the goal of conveying the full impact of war and how it affects the daily lives of the people affected. This is evident in the changes she describes, such as the destruction of buildings and the loss of basic services like electricity and running water. The contrasting descriptions serve to highlight the devastating consequences of war on the city and its inhabitants.