Read the passage. 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 statement best identifies a key concept and explains how it is developed?

The concept is that the Japanese made little preparations for the attack; it is developed by describing how disorganized the attack was.

The concept is that the Japanese fleet was stronger than the U. S. fleet; it is developed by describing how many ships they had.

The concept is that the Japanese sent their best fleet for the attack; it is developed by describing the sophisticated features of the equipment.

The concept is that the Japanese were launching a surprise attack; it is developed by explaining the careful ways they avoided being seen.