Stuck on four questions - help gratefully received. 21a Political or economic union, especially the annexation of Austria by Germany in 1938 (9) ?n?c?l??s 36a Small Mediterranean tree of cashew family from which turpentine is obtained (9) ???e??n?h 16d Fibre of wool, cotton, flax, etc. graded by length and fineness (6) S?a??e 26d Vertical force experienced by mass as consequence of gravity (6) ?e?g?? Many thanks