Consider the following statements :
UNESCO's World Heritage mission is to
1. take over the management, maintenance and preservation of World Heritage sites.
2. encourage State parties to the Convention concerning the Protection of the World Cultural and Natural Heritage to nominate sites within their national territory for inclusion on the World Heritage List.
3. provide emergency assistance for World Heritage sites in immediate danger.
Which of the statements given above are correct?

Options

A. 1, 2 and 3
B. 1 and 3 only
C. 1 and 2 only
D. 2 and 3 only