💡 Detailed Explanation
"軋轢 (atsureki)" means friction, discord, or conflict between people or groups. It is most suitable for describing the worsening relationship between two factions. Other choices: "葛藤 (kattō)" usually refers to an internal, psychological conflict. "乖離 (kairi)" means divergence or separation. "懸念 (kenen)" means worry or concern.