Tanzania, April 26 -- Dar es Salaam. The Union of Tanganyika and Zanzibar has already reached six decades. If it were a working person, he would have spent two years at home after retirement.

Despite that longevity, there is still debate about the Union's strength, sustainability, and structure.

At times, this debate emerges alongside others, such as the new Constitution, the distribution of powers, and economic and political questions about how the two sides of the Union cooperate.

Some see the Union as a rare example of success on the African continent, emphasising that it has withstood political turbulence, economic changes, and differences in outlook for several decades.

However, others argue that any institution that lasts for a ...