Civil War in China, 1927

In 1927, China was embroiled in a conflict where Northern Warlords defended their medieval society against modern ideologies and weaponry. The so-called 'war of ideas' quickly devolved into violence, with victorious factions turning against each other, spreading conflict to major cities like Canton and Shanghai. As Europeans began to evacuate, international troops, including British, American, and French, patrolled the concessions. Amidst this chaos, the French influence was notable. The social unrest was palpable, with millions of Chinese involved in looting deserted banks.

What actions did the victorious armies take after their initial conflict?

What was the situation of the Chinese population during the events described?