Complex sentence: In addition, two other battles were fought further afield as part of the Nationalist's campaign to take the capital: in March, at Guadalajara and at the end of December at Teruel, both north east of Madrid.
Split into simpler sentences: In addition, two other battles were fought further afield as part of the Nationalist's campaign to take the capital. In March, at Guadalajara and at the end of December at Teruel, both north east of Madrid.