2 sentences

1. 那段历史时期充满了白色恐怖。

   nà duàn lì​shǐ shí​qī chōng​mǎn le bái​sè kǒng​bù.

   That historical period was filled with White Terror.

   Source: Dong Chinese Dictionary

2. 在某些历史时期，罪犯可以通过交纳财物来赎罪。

   zài mǒu​xiē lì​shǐ shí​qī, zuì​fàn kě​yǐ tōng​guò jiāo​nà cái​wù lái shú​zuì.

   In certain historical periods, criminals could expiate their crimes by paying fines.

   Source: Dong Chinese Dictionary