Answer: it would be the renewal of unrestricted submarine warfare from Germany. Otherwise C
Explanation: The Germans continue to become more and more ferocious with their U-boat attacks, their hopes were to cripple the United Kingdom by silently attacking supply ships. Once the Lusitania was sunk the world became aware of the tragedies of unrestricted, moral ignored warfare
The Japanese economy of the 1920s suffered from a retrenchment after the boom of the First World War. For most of the decade, the real economy remained dull, with low economic growth, mild deflation, and an unsettled financial system.
A president cannot declare war that is up to congress.
It should be both but in equal and balance way that the resources can replenish and used in the future generations. Protecting the resources enables the source to replenish and regain what are lost. Using and extracting enables the society to work and survive. So both are needed to be balanced to work efficiently and effectively.