Germany, Austria-Hungary, Russia i remember this from last years history :D
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that the net incomes of much of the US population was increasing greatly during this time, thanks to the economic "boom" of the 1920s. </span></span><span />
George Washington's Proclamation of Neutrality
