Complex sentence: The World Bank Group's involvement in Haiti has focused on reconstruction and development of the country that has suffered deterioration from ceaseless civil unrest, decades of the extreme poverty, and devastation from a series of natural disasters.
Split into simpler sentences: The World Bank Group's involvement in Haiti has focused on reconstruction and development. The country has suffered deterioration from ceaseless civil unrest, decades of the extreme poverty, and devastation from a series of natural disasters.