If your question is referring to a popular form of entertainment for the Americans at home during World War II, then the correct answer is music from Swing bands, Radio, movies, and musical plays.
The Government of the United States considered important to maintain the moral of the citizens during World War II. For instance, the U.S. Office of War Information controlled the features of the movies in order to maintain the hight spirit of the people. U.S. citizens also liked going to the Dance Halls or Ballrooms in order to listen to music and dance with the music of famous orchestras like the Glenn Miller’s orchestra.
Persian your third answer
Germany, Austria-Hungary, and Italy were in an alliance together known as the Triple Alliance. This was an agreement between the empires to provide support to each other in case of a Russian declaration of war against them. Serbia was an ally to Russia and so Austria felt that the Serbians helped the Bosnians carry out the assassination. Ferdinand's uncle was emperor of Austria at the time and felt that this was a direct attack on their country. When he went to Kaiser Otto von Bismarck of Germany, Germany agreed to intervene against any Russian threats or threats from their allies. In this case, Germany gave Austria permission to send demands to Serbia to repay them, which they refused to comply with. At the same time, Russia was gathering their army to come to Serbia's aid, which Austria also saw as a direct threat and declared war on Serbia. This culminated in World War I.
The correct answer is: "limiting competition"
Regional trade blocks are intergovernment treaties through which several countries agree to eliminate trade barriers among its members, so that they can enjoy free trade and enhance competitiveness within the region. Moreover, they establish a joint external trade policy, setting tariffs and other trade barriers to favour<u> domestic producers cope with competitors from outside the block, limiting the foreigner's ability to compete with products from the trade bloc. </u>
