Which event did these the assassination of archduke Franz Ferdinand immediately create? The sinking of the Lusitania and unrestricted submarine warfare
The July Crisis and mobilization
The naval blockade of German and Austrian Ports
The Communist revolution in Russia

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.