Answer:
island hopping
Explanation:
A military strategy employed by the Allies in the Pacific War against the Axis powers (most notably Japan) during World War II. It entailed taking over an island and establishing a military base there. The base was in turn used as a launching point for the attack and takeover of another island.
The <span>action during westward expansion that had the most negative impact on the lives of slaves would be "</span><span>The Fugitive Slave Act," since this meant that slaves who had escaped to free territories needed to be returned to their owners. </span>
The code breakers were able to warn of the planned Japanese attack and this gave the allies the advantage at the battle of coral sea. The correct option among all the options given in the question is option "d".The allies were able to predict the plans of Japanese attack and invasion beforehand and this helped the Allies to make their plans accordingly. The Japanese were very surprised at the response they got from the allied forces and the response from the allied forces also damaged vital aircraft carriers of the Japanese army as well.
What do you mean man it will be more easy to me to answer if you ask it clear