A lot of angry people with guns shooting at each other.
A primary example of a primary source, ironic wording there.
Would be first hand accounts, documents, journals, text, anything from the era or timeframe where the subject is from.
Ex: Revolutionary War
Primary Source: George Washington's speeches
Answer:
By article 25 of the Treaty of Berlin, 1878, Austria-Hungary was permitted to occupy and administer Bosnia and Herzegovina. The crisis in 1908-1909 sprang from the fact that Serbia believed that she must prevent the consummation of annexation by Austria-Hungary or give up permanently her long-cherished hopes.
