<span>The assassination of Archduke Franz Ferdinand</span> lead to a direct conflict between the two powers (Austria and Russia) and further lead to the war. Hope that helps.
C. Queensland.Queensland is the biggest producer of beef and veal
I think it is d. Persian empire but I could be wrong :/
<span>It was not an actual railroad. It was a network of houses and buildings that were used to help slaves escape from the South to freedom in the Northern states or Canada.</span>
