Its C. ending child labor, Hope This Helps!
It seems that you have missed the essential options for this question, but anyway, here is the answer. The statement that explains the effect of demobilization following WWI on the economy is this: <span>The demand for industrial workers increased, which benefitted the soldiers returning from war. Hope this answer helps.</span>
Answer Defeat in the Crimean War exposed Russia's lack of development in relation to its European neighbors.
b ) The ships were at the mercy of the weather
The journey from Africa to the West Indies or North America Usually took about two months. However, the journey would take longer due to vagaries of bad weather that made navigation challenging