Can you read my sentences and tell me what is wrong?

Hello? I wrote some sentences and I am not sure I did right. It would be great if you guys could tell me what I did wrong. Thank you!!


According to a research of World Cooperation Association, rich countries could never know difficulty of different countries before we have provided many people with information of other countries by developing technology since 1980. However, many rich countries have provided many different poor countries with food and clothes since it was possible for us to transmit arduous environment of different nations. After that, we could help the poor who may die from poverty are able to live more and more.