Nationalism created a standoff between countries trying to prove who was better. This increased tension boiled over until Archdule Franz Ferdinand was killed.
Consumer demand for the product will stay the same because people need to have it no matter the cost. They will buy it no matter how much the price increases. This applies to things like medicine.
With immigration rising in the 1820’s due to poor living conditions in Ireland. But the largest wave of Irish immigrations came after the Great Famine in 1845.
Hope this helps
