Individuals with degrees in international studies often go on to work for international organizations or the government. Some graduate schools offer degrees in the subject; economics programs are appropriate too.
There are many options. It's an excellent base degree. You can move on to specialise it by doing a language, politics, sociology, law or business postgraduate degree.
Management
Human resources
Labor relations
Banking and finance
Economics
International development
Real estate
Sales
Marketing
Product management
Healthcare administration
Agricultural economics