Unlike other african countries, south africa’s economy was by its

ANSWER:

South Africa's economy was helped by its natural resources.

EXPLANATION:

South Africa today is the second largest economy of Africa. The country is abound in natural resources which contribute to the economy in a great manner. Mining in South Africa contributes the maximum to the economy. South Africa happens to be the largest "mining and mineral" processing country. Minerals like manganese, antimony, phosphate rock etc. are mined in South Africa and exported from there. South Africa is the "world's third largest exporter of coal".

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion