How is Africa contribute to the economy give two reason?

The economy of Africa consists of the trade, industry, agriculture, and human resources of the continent. As of 2019, approximately 1.3 billion people[1] were living in 54 countries in Africa. Africa is a resource-rich continent.[3][4] Recent growth has been due to growth in sales in commodities, services, and manufacturing.[5] West Africa, East Africa, Central Africa and Southern Africa in particular, are expected to reach a combined

Africa has Contributed to the Economy in These Ways

       The economy of Africa is made up of exchanges, industry, agribusiness and the human resource of the landmass. As of 2019, there were about 1.3 billion people living in 54 African countries. Africa may be a resource-rich landmass. Later innovations were due to the growth of product, administration and industrial trades.

       South Africa includes an over-created economy and a well-developed foundation. In addition, one of the world's largest exporters of gold, silver, and other common commodities, it has well-established money linked, lawful, communications, vitality, and transport divisions, as well as the continent's largest stock exchange.

       African international families are contributing billions of dollars to the U.S. economy by saving and paying installments. Their families charged $10.1 billion in federal charges and $4.7 billion in community and neighbourhood charges, thereby granting African citizens an estimated spending control of more than $40.3 billion just last year.

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.