Take the time to research media and other communication channels in your country - the United States - that may resonate with your target market - France. Also research the advertising laws you should know before developing a promotion strategy. E.g...
How many people are using mobile phones?
Is it realistic to advertise via radio, newspaper, TV, etc.?
Which social media platforms are most used? What are the popular media sources?
Are the promotions legal?
Can I advertise to children?