Across
7
Does not take sides in a dispute; doesn't make a clear choice (4,2,3,5)
9
Piedmont province known for its sparkling wine (4)
11
Final stages of a chess game, negotiation, etc (7)
20
Taking action against something bad before it becomes worse (8,3,3)
21
Dig (for minerals): kind of bomb (4)
Down
1
Bartolomeu ----, Portuguese explorer associated with the Cape of Good Hope (4)
4
Shakespearean sprite (5)
5
Phrygian 'Mother of all Gods' equating to the Greek Rhea or Demeter (6)
6
Large white roundish Asiatic legume – usually dried (8)
16
The ------: period 1804-15 in France under Napoleon Bonaparte (6)
18
Attempt to influence; fix (6)