While Bismarck was rather conservative in colonization, William II was much more active, which reflected the grave economic, social and psychological changes in Germany since her unification.

• 俾斯麦对殖民地的消极态度在先，威廉二世的积极态度在后，反映了德国自统一以来在经济、社会、心态等方面的重大改变。