This event led Austria to declare war on Serbia. Both countries had bigger allies that would be ready to step in. This made things bigger than they should have been, resulting in one of the main causes of WW1
Germany wanted to prevent a 2 front war so that everything would be better for them. Belgium was neutral but was against siding with Germany. Germany was angry because they wanted Belgium to join them.
This event amplified the fighting. Russia was now entered into the war and Germany was fighting multiple countries. The Allies began to show who they were, and who they sided with.
This new use of toxic gasses made everything worse. It was believed to be unfair by a lot of countries and could kill people in mass numbers. Additionally it could go out of control and ruin an area.
Men who were ages 18-41 could be sent to war even if they did not want to. There were not enough volunteers and propaganda was used to influence the men.
Germany sent Mexico a telegram trying to get them to attack America. Germany underestamted America as they came strong and with very large numbers. Germany had upset America by being on their land and sending the telegram to Mexico.
Russia finally decided to leave the war since it was best for them in the moment. It was unsuccessful for Russia and only caused death, debt, and trouble. Germany gained a lot from Russia leaving the war.
Germany was now free from any enemies to the North. They were determined to make one last large scale push before all of the American troops arrived.
As the Americans were growing closer and closer, the Allies decided to launch a series of attacks on the axis. This was a point were the German Commanders had known that they would lose the war.
An armistice was signed that involved Germany surrendering the Western Front. The Germans surrendered in France which made the soldiers feel betrayed. Harsh punishments were put upon Germany and this is ultimately said to be the reason why WW2 started.