Complex sentence: In 2000, President Benjamin Mkapa promised to build a state of the art stadium before the end of his tenure in 2005; saying that it was shameful for the country not to have a modern arena.
Split into simpler sentences: In 2000, President Benjamin Mkapa promised to build a state of the art stadium before the end of his tenure in 2005. Mkapa said that it was shameful for the country not to have a modern arena.