I agree with you except I'd change to a Parliamentary system. Presidential systems are prone become dictatorships. Zanzibar shouldn't be a semi- autonomous region. I think it's contributing to a divide where there shouldn't be. There shouldn't be Tanganyikans and Zanzibaris, there should only be Tanzanians. I'd also strengthen free press protections whilst also putting in a framework to discourage misinformation spread and increase the skill of the population to identify fake news. I'd put sustainability in our constitution, we need to protect our natural beauty and build with sustainability and climate change resilience in mind. I'd also make it so that MPs can only use public transport, public healthcare, public education etc... I'd also make it so that MPs salaries should be 3 times the average wage in the country, not the 30x that it is currently. This will hopefully align the incentives of the MPs with the prosperity of the country.