D. I believe Or it could be A.
No military action led to the start of WW1; the catalyst to WW1 was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His murder by Gavrilo Princip – a Serbian nationalist, caused Austria-Hungary to declare war on Serbia, which drew the other European countries into the war due to their existing treaties of mutual defense.
The Emancipation Proclamation only freed the slaves in the Confederate states, therefore encouraging them to rise up.
Answer:
Ziggurats were built on high platforms to keep them safe from floods,
And Much of life in a Sumerian city centered on the ziggurat.