High labor cost and Reliance on a single crop for export and Low population growth and lack of education are the two obstacles to progress in developing nations.
Nation can become a developed country if the economy rate and the employment rate will increase in the nation. The education level plays an essential role as people are not much educated, directly impacted the employment rate.
There are options missing in the question of which are given below-
High population growth and diversification of export
Low population growth and lack of education
High population growth and Reliance on former colonial rulers
High labor cost and Reliance on a single crop for export
Thus, option B and D are correct.
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