5. How did an assassination lead to WWI? A.The assassination forced the United States to create alliances to bring peace to Euro
pe. B. After the assassination, war was declared, so many countries came together to create better laws in Europe. C. After the assassination, war was declared, so many countries created alliances, and most countries in Europe became involved in the war. D.The assassination forced the United States to step in making it a world war. tyyyy
After the assassination Austro-Hungary sent an ultimatum to Serbia to investigate the assassination in Serbia, but Serbia declined the ultimatum, so Austro-Hungary declared war to Serbia. Then Russia declared war to Austro-Hungary and Germany declared war to Russia. Then the Ottoman Empire joined Germany and Austro-Hungary and they created an alliance and some other countries joined as well. After that, Great Britain, Russia and France created an alliance as well, and some other countries also joined their alliance. That's a short summary of how the WW1 started.
