I think its the second one and the fourth one
The two opposing forces in WW1 were a) Allies and Central Powers.
The First World War started as a two-sided war between Austria-Hungary and Serbia in 1914. It evolved into a war in which thirty two countries took part. Britain, Russia, France, the United States and Italy formed The Allies. These countries battled against Austria-Hungary, Bulgaria, Ottoman Empire and Germany, known as the Central Powers.
The author mean by the sentence “The West Riding men are sleuth-hounds in pursuit of money” is <span>A man that she knew, who was a small manufacturer, had engaged in many local speculations, which had always turned out well, and thereby rendered him a person of some wealth.</span>
I say A. At the audition, she blows the judges away and gets a full scholarship.