B both countries were involved in a system if alliances.
Soviet Russsia, land of the freeI think this the answar not sure
Answer:
Explanation:
The murder of Archduke Franz Ferdinand outraged Austria-Hungary. ... Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28. Within days, Germany declared war on Russia—Serbia's ally—and invaded France via Belgium, which then caused Britain to declare war on Germany.
Answer:
to invite various groups to meet to share report of civilian and military activities in world War l