Horn of Africa covered the Simien and Bale Mountains but melted at the beginning of the Holocene. The mountains descend in a huge escarpment to the Red Sea and more steadily to the Indian Ocean. Socotra is a small island in the Indian Ocean off the coast of Somalia. Its size is 3,600 km (1,390 sq mi) and it is a territory of Yemen. The lowlands of the Horn are generally arid in spite of their proximity to the equator. This is because the winds of the tropical monsoons that give seasonal rains to the Sahel and the Sudan blow from the west.
Foreign trade of South Africa is a net exporter of farming products. Principal international trading partners of South Africa—besides other African countries—include Germany, the United States, China, Japan, the United Kingdom and Spain. Chief exports include corn, diamonds, fruits, gold, metals and minerals, sugar, and wool. Machinery and transportation equipment make up more than one-third of the value of the country’s imports. Other imports include chemicals, manufactured goods, and lots more, mainly found in other hot country mainly Spanish countries. During apartheid, South Africa's foreign trade and investment were affected by sanctions and boycotts by other countries ideologically opposed to apartheid. In 1970, the United