A slowdown in new construction and in automobile sales
White House Chief of Staff
The German Empire and Austria-Hungary were Allied within the Central Powers, So I assume it was the German Empire in this case, Which Declared war on Russia and France and was at war with Britain due to the Invasion of Belgium.
So the Answer is the German Empire.
Best known as the primary author of the Declaration of Independence
Answer: your answer will be a and d!
Explanation: