Foreign relations -- Politics and government -- 3 Congresses -- 1 Economic conditions -- 1 History -- 1 Influence 1 National security -- 1 more ... National socialism -- 1 Peacekeeping -- 1 Politics and governent -- 1 Psychological aspect 1 Reconstruction (1914-1939) 1 Reconstruction (1939-1951) -- 1 Shipbuilding -- 1 World War, 1914-1918 -- 1 less ...