Strait of Bab el Mandeb.. point link between the Red Sea and the Indian Ocean through the Gulf of Aden and the island of Perim

A - fjord Ham up the Red Sea of the Indian Ocean through the Gulf of Aden and the island of Perim. 

B - controls the southern entrance to the Red Sea via the island of Perim. 

C - is a purely Arab straits after the accession of the countries of Djibouti, where the Arab world is dominated by the Asian side of Yemen and Somalia from the African side. 

D - played an important role in the 1973 war were closed to Israeli ships.