How do IMF and World bank policies affect developing nations like jamaica?

Both the IMF and World Bank (especially IMF) are private banks established between countries that basically "buy in". The more you buy in, the more say you get in the rules. Developing nations take huge loans from these banks in order to further their country's development, but upon the unrealistic task of repaying these loans in a timely manner (mainly due to unstructured socio-economic conditions AND low literacy rates) the IMF in the 1980s and 1990s implemented what they called "structural adjustment" policies which crippled the already weakened government and promoted neo-liberalism. The bank loans them money they are unable to pay back based on their GDP and the IMF posts profits from the continued and sustained debt causing underdevelopment in much of the global south. Not sure how in depth you need this to be but any first year university International Development Studies text book will cover all of these theories, or the book "The Value of Nothing" by Raj Patel. Good luck!