The Northern crusades were the important factors of Latin-Christianization and Germanization.

北方十字军是拉丁天主教化和德国化的重要因素。

What exactly were the Crusades?

十字军东侵是怎么回事？

Europe lost the wars of the Crusades.

欧洲人发动的十字军东征以失败告终。

The Crusades have left a deep mark on the Middle East.

十字军东征给中东留下了不可磨灭的印象。

Yes, the Crusades died off, but it was regaining popularity.

士兵们虽然相继死去，但是十字军的阴魂一直未散。