Germany, Austria-Hungary, and Italy were in an alliance together known as the Triple Alliance. This was an agreement between the empires to provide support to each other in case of a Russian declaration of war against them. Serbia was an ally to Russia and so Austria felt that the Serbians helped the Bosnians carry out the assassination. Ferdinand's uncle was emperor of Austria at the time and felt that this was a direct attack on their country. When he went to Kaiser Otto von Bismarck of Germany, Germany agreed to intervene against any Russian threats or threats from their allies. In this case, Germany gave Austria permission to send demands to Serbia to repay them, which they refused to comply with. At the same time, Russia was gathering their army to come to Serbia's aid, which Austria also saw as a direct threat and declared war on Serbia. This culminated in World War I.
They reacted by starting WW2 and france, britain, and the us all wanted germany to be fair to its people and not let them kill innocent people get killed
When the Puritans first landed at Plymouth Rock after fleeing from England out of fear of religious persecution, they soon began to differ in the ways they approached their ideology--this led to fragmented societies forming and claiming new land further east.
The Hundred Days Offensive Jul–Nov 1918 was the costliest
The Ludendorff offensive other wise known as the spring offensive was a German offensive on the Western Front intended to win the war before the American troops that had begun arriving in France could fully deploy.
I'm unsure of how far they advanced
Kaiserschlacht was the last German offensive and was a series of German attacks along the Western Front.