A rise in prices and the fall in the purchasing value of money
Explanation:
Religious: During imperial expansion, religious people sometimes set out to convert new members of their religion and, thus, their empire. Christian missionaries from Europe, for example, established churches in conquered territories during the nineteenth century. In doing so, they also spread Western cultural values
The Serbian Expansion and Russian role in the Balkans.
Combined with the increase in Russian military strength, both Austria and Germany felt threatened by Serbian expansion; when Austria invaded Serbia on 28 July 1914, Russian Foreign Minister Sergey Sazonov viewed it as an Austro-German conspiracy to end Russian influence in the Balkans.
On 30 July, Russia declared general mobilization in support of Serbia; on 1 August, Germany declared war on Russia, followed by Austria-Hungary on 6th.
The correct answer is letter A.
Marital alliances were common ways of geographically spreading influences of the dynasty. This was a common practice done by people of the royal blood, where they make allies with other dynasties by offering their daughter's hand in marriage. In some parts of history, this practice has kept the peace in dynasties all over the world.