Mostly they affected it through their imperialism. They would colonize and take over countries for resources, and with them they would bring their technologies and things that they needed. After they left these things stayed, things like telephone and telegram lines and similar things. Culturally, they would mostly disregard the local culture and impose their own which would often be accepted and kept by the locals, but often there was also warfare.
Rockefeller3.Beginning with a small oil refinery, this man‘s Standard Oil began to put competitors out of business.
Serbian ambition in the tumultuous Balkans region of Europe, Austria-Hungary determined that the proper response to the assassinations was to prepare for a possible military invasion of Serbia. After securing the unconditional support of its powerful ally, Germany, Austria-Hungary presented Serbia with a rigid ultimatum on July 23, 1914, demanding, among other things, that all anti-Austrian propaganda within Serbia be suppressed, and that Austria-Hungary be allowed to conduct its own investigation into the archduke’s killing. Though Serbia effectively accepted all of Austria’s demands except for one, the Austrian government broke diplomatic relations with the other country on July 25 and went ahead with military preparedness measures. Meanwhile, alerted to the impending crisis, Russia—Serbia’s own mighty supporter in the Balkans—began its own initial steps towards military mobilization against Austria.
