A. Serbia
Serbia was the only country involved at the time of the incident, the rest of the countries got involved after or never got involved
That was because companies started outsourcing businesses because it was cheaper to have a factory in Asia or South America, and just produce there and bring the goods back home than to pay US workers. The people affected were people who worked in the business as manufacturers and physical laborers. The economy shifted to services like tourism or telecommunication services. The benefits were that a new workforce was created and that people started developing the society more. A bad thing is that a lot of people lost their jobs and weren't trained to become a part of this new workforce.
<h2><u>Answer:</u></h2>
The least complex answer is that the quick reason was the death of Franz Ferdinand, the archduke of Austria-Hungary. His passing because of Gavrilo Princip – a Serbian patriot with connections to the undercover military gathering known as the Black Hand – moved the real European military forces towards war.
June 28, 1914: Archduke Franz Ferdinand, beneficiary to the Austrian position of royalty, and his significant other, visit Sarajevo in Bosnia.
July 23: Austria-Hungary, with the sponsorship of Germany, conveys a final offer to Serbia.
July 25: Austria-Hungary cuts discretionary ties with Serbia and starts to activate.
They refused to negotiate with those who supported workers' rights.