<span>Russians, Prussians, Swedes, and Austrians</span>
D equal rep. of free trade
I'm assuming you're asking for synonyms for arguments. Here are as man as I can think of: disagreement, fight, feud, clash, and dispute.
The best and most correct answer among the choices provided by the question is the third choice "natural monopolies"
Natural monopolies<span> arise where the largest supplier in an industry, often the first supplier in a market, has an overwhelming cost advantage over other actual or potential competitors; this tends to be the case in industries where fixed costs predominate.</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
