2 sentences

1. 各国不应干涉他国内政。

   gè guó bù yīng gān​shè tā​guó nèi​zhèng.

   Countries should not interfere in the internal affairs of others.

   Source: Dong Chinese Dictionary

2. 殖民主义者疯狂地掠夺他国的自然资源。

   zhí​mín​zhǔ​yì zhě fēng​kuáng de lüè​duó tā​guó de zì​rán zī​yuán.

   Colonialists frantically plundered the natural resources of other countries.

   Source: Dong Chinese Dictionary