Stuck on 2 of the starting points: (town/city/country)
each could be 4 or 5 letters:
3. Man base
5. Vat changing hands
Also 2 clues from the grid: in some clues wordplay leads to the answer plus an additional letter not to be entered in the grid
34a Answer during current uproar (4) ??A? 2nd letter "possibly L"
18d Strain for some support, holding demos regularly (5) TE?S? could be tense - tee = support, but the rest?