Which of the following is/are true according to the passage? (i) 10 years ago, tourism was not at all developed in developing countries, and it never brought them any substantial income. (ii) Within a few years, countries like Rwanda, Ethiopia and Mozambique were able to achieve the development and economic boom like Mauritius. (iii) World organisations have predicted that tourism will be one of the central pillars of economic development in African nations. (iv) Globalisation and infrastructure development have important roles to play in promoting Africa’s tourism industry.

i- Even a decade ago, tourists were already spending $295 billion every year in developing countries—which amounts to roughly three times total overseas development assistance to the developing world in 2007—and interest in under-explored and remote travel destinations continues to rise. ii- For example, Rwanda features its population of endangered mountain gorillas, Mozambique its beaches, and Ethiopia its ancient cultural attractions from the Abyssinian period. It remains to be seen, though, whether these countries will experience the expected economic boom from tourism in the coming years, as has been the case in Mauritius. iii- The World Bank and U.N. World Tourism Organization predict that tourism will be one of the main drivers of economic growth in Africa over the coming decade. iv- In the future, growth in Africa’s tourism industry will primarily be driven by two factors: globalization and infrastructure.