1 sentence

1. 那个扩张的时代，各国都致力于开疆斥土。

   nà gè kuò​zhāng de shí​dài, gè guó dōu zhì​lì​yú kāi jiāng chì tǔ.

   During that era of expansion, nations were dedicated to expanding their territories.

   Source: Dong Chinese Dictionary