ZANZIBAR, Nov. 3 -- AS President Dr Samia Suluhu Hassan marks one year of her second term, progress in resolving Union grievances between Zanzibar and Mainland Tanzania provides an opportunity to assess how dialogue, negotiated agreements and economic cooperation are shaping relations.

The movement of goods between Zanzibar and the Mainland, taxation of businesses, electricity costs and access to economic opportunities have featured for years among issues requiring government intervention.

Their resolution matters because the Union is not sustained by its constitutional foundations alone; it also depends on practical arrangements that allow citizens, businesses and public institutions to operate fairly across both sides.

For decades, s...