墨索里尼统治时期，黑衫军经常在街头游行示威。

During Mussolini's rule, the ___blackshirts often marched in the streets.

历史课上我们了解到黑衫军是墨索里尼法西斯政权的忠实拥护者。

In history class we learned that ___blackshirts were loyal supporters of Mussolini's fascist regime.