This speech made Americans realize that we were a unified nation.
Answer:
1. Invasions by Barbarian tribes
2. Economic troubles and over-reliance on slave labor
3. The rise of the Eastern Empire
4. Over expansion and military overspending
5. Government corruption and political instability
6. The arrival of the Huns and the migration of the Barbarian tribes
7. Christianity and the loss of traditional values
8. Weakening of the Roman legions
I would explain all of them but its gonna take long so hope it helps mark me as brainliest.
the answer you are looking for is 4
World War I--in the end WWI is connected to the annexation as the Serbian attack on Archduke Franz Ferdinand was a response to the annexation.
Following the Austrian annexation of Bosnia and Herzegovina, Serbian nationalists called the Black Hand planned an attack on the Archduke Franz Ferdinand's visit to Bosnia. This assassination, triggered the events which led directly to the outbreak of World War I.