Answer:
Egypt, Mesopotamia, Persia, and Bactria
Because if you have a industrial and agricultural surplus then ultimately the demand for goods would drop as well as the price of that surplus
Serbia supplied the rebels with weapons so that they could kill the archduke. Austria-Hungary declared war on Serbia. Russia entered to defend Serbia because they both had large Slavic populations. Germany entered to defend Austria-Hungary. Alliances drew other countries in until it was a world war.
