Well for the development of the country you can help orphans find home or help people find homes on low rents and give public services like food stamps or such. If you're going small you could try to help animals because everyday 20,000 animals are being abused only in New York. Imagine in the whole United States animals get beat really bad. Sometimes that they need to go to a hospital. This can help improve your country and also speaking up on women sufferage like stopping domestic violence.
