Question

On November 26, the Japanese attack fleet of 33 warships and auxiliary craft, including six aircraft carriers, sailed from northern Japan for the Hawaiian Islands. The fleet followed a route that took it far to the north of the normal shipping lanes. By early morning, December 7, 1941, the ships had reached their launch position, 230 miles north of Oahu. At 6:00 a.m., the first wave of fighters, bombers, and torpedo planes took off. Which best identifies a key concept and explains how it is developed?

Answer 1

A key concept is an attack that took place. It is developed by providing further explanation of the US Pacific Fleet casualties and the all the warships damaged. and sunk. 

Answer 2

The excerpt describes the attack on Pearl Harbor. The key concept begins from the first sentence and the narration exactly shows how the story is going to be unraveled. After that, the description continues. In a nutshell, the information contained in the first sentence about Japanese attack is the answer of this question.