Concept:Undeveloped nations are characterised by economic reliance and weak productive capacity.
Explanation:An undeveloped nation has a low level of industrialisation and a low per capita income.
Its economy is dominated by agriculture, so the industrial sector is not dominant; option B is incorrect.
Per capita income is low, not high, so option C is incorrect.
Financial institutions in such nations are weak and inefficient, so option D is incorrect.
These nations depend heavily on imported manufactured goods from developed countries.
This over-dependence on foreign products is a major feature of an undeveloped nation.
Answer:A. Over-dependence on foreign products