求翻译：社会主要矛盾的变化。是什么意思？

Social changes in the principal contradiction.

The social contradictions.

social contradictions. ;

Changes of social contradiction.

After the Opium War, sovereignties and so on Chinese territory, territorial waters, judicature suffer the destruction.The foreign invader uses the aggression privilege, crazily to the Chinese dumping commodity and plundering raw material, is involved in gradually the Chinese market the world capital