High national debt has made it difficult for many African countries to

protect their crops from severe weather.

fight government corruption.

provide funding for their citizens' needs.

defend against colonialism.

C. provide funding for their citizens' needs.

Explanation:

Due to high national debt, many poor African countries are unable to make funding in order to fulfill their citizens' needs. All the earnings of these countries were spend into paying their debt and so no money left in order to support the citizens financially. There is also a lot of corruption in these African countries which reduces the foreign reserves of the country and more debt is taken by these African countries.