Because you are still listing events that happened.
Answer:
Destroyed considerable wealth, caused people to have doubts about the economies health, causes consumers and businesses to cut back on their spending
Explanation:
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.
After the Attack on Pearl Harbor the fleet returned to Japan to attack the Philllppines, Singapore, Malaya and Hong Kong all in the same day.