Describe the first three months of the war in europe in your own words?

On 28 July the conflict opened with the Austro-Hungarian invasion of Serbia, followed by the German invasion of Belgium, Luxembourg, and France; and a Russian attack against Germany. After the German march on Paris was brought to a halt.

Explanation:

i believe it would be capitalism

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b