The correct statement is option D. In Honolulu, the Buffalo Soldiers broke down some racial barriers and endured dangerous working conditions to build the Mauna Loa Trail.
Explaining the statement best reflects the development of the central idea of the text.
Option D is the most suitable choice because it encapsulates the central idea of the text by emphasizing the Buffalo Soldiers' contributions in overcoming racial barriers and enduring hazardous working conditions to construct the Mauna Loa Trail in Honolulu.
This statement reflects the core theme of the text, highlighting the challenges faced by the Buffalo Soldiers during the trail's construction and their role in breaking down racial barriers, which contributes to the overall narrative of their significant efforts in building the trail.
Therefore, the statement that best reflects the development of the central idea of the text is D. "In Honolulu, the Buffalo Soldiers broke down some racial barriers and endured dangerous working conditions to build the Mauna Loa Trail." This option captures the key elements of the text, focusing on the Buffalo Soldiers overcoming challenges and contributing to the construction of the Mauna Loa Trail in Honolulu.