Answer:
Roosevelt believed in projecting American power. He sent the Great White Fleet on a worldwide tour to show off the modernized American navy and to state American interests in the Pacific. Roosevelt supported Panamanian independence in order to create the Panama canal. He signed the Roosevelt Corollary to the Monroe Doctrine which gave the United States the right to intervene in Latin America. Roosevelt also arbitrated in the Russo-Japanese War, an act which won a Nobel Peace Prize. At the onset of WWI, Roosevelt argued for immediate American intervention on the side of the Allies and even offered to lead a division of American soldiers in the conflict. Roosevelt believed that the United States had a duty to project power and its way of life abroad in order to cultivate both manly virtue at home and American values abroad.
World War also started after archduke Francis Ferdinand got assassinated.
They became more expressive and politically viewed
Usually a shortage will make a big impact on producers. It also depends on the type of shortage, if its a shortage of supply, they have to step up their production, but if they dont, prices will rise on the low amount of supply, eventually topping out until the demand starts to fall for that item. If the shortage is of resources, production will be slower if not halted as there will be too little to produce a good, and the previously mentioned supply shortage will happen. What many producers might do then, is try to force the resource supply back up, either by trying to contract people to get the supply going, or buying supply from places that arent having shortages.