At the time of the Transportation Revolution, there were three major vehicles in consideration: automobiles, trains and boats. This caused the construction of roads/highways, railroads, and canals to accommodate all these new vehicles.
The industrial Revolution created a demand among American and European business men, and consequently politicians, for new markets.
I'm pretty sure the answer is B but I'm not 100% sure
These groups hoped to drive Austria-Hungary from the Balkans and establish a 'Greater Serbia', a unified state for all Slavic people. It was this pan-Slavic nationalism that inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak of World War I.