[ 507 ] U.S. History GED ® TEST SOCIAL STUDIES FLASH REVIEW _____________ • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Use the map to answer the following two questions. Great Britain Allied Powers Central Powers Neutral Nations The Netherlands Denmark Norway Sweden Finland France Spain Portugal Morocco Algeria Italy Albania Monte- negro Hungary Austria Germany Switzer- land Russia Belgium Luxembourg Romania Bulgaria Turkey Cyprus Baltic Sea Mediterranean Sea Black Sea Serbia Greece The United States maintained its neutrality in the war until Germany announced its intention to use unrestricted submarine warfare in the seas. The U.S. Congress declared war on Germany on April 6, 1917. By doing so, with what other nations was it siding? a. Bulgaria and Turkey b. Greece and Sweden c. Denmark and Sweden d. Russia and Italy