Consider the following statements about urban housing problems in the developing world: (a) Rapid rural-to-urban migration has created a severe demand-supply gap in urban formal housing. (b) Slums and informal settlements arise primarily because of excess supply of affordable public housing. (c) Lack of secure land tenure is a major constraint preventing slum dwellers from improving their housing. (d) Urban housing problems are closely linked to poverty, unemployment, and weak urban governance. Which of the above statements are correct?

Arrange the following urban functions in the chronological order in which they historically dominated towns, from earliest to most recent: 1. Recreation 2. Administration 3. Trade 4. Information technology Select the correct sequence from the choices below: