I also research into and build nuclear weapons.
My official claims are here: id:2525585
I send a man into space, and send robotic probes to land on other planets.
Start a massive space program: Probes, mining crafts, space stations, more manned flights, experiments in space, and more EVERYTHING space related. Start researching deep space mining probes that are unmanned and can mine small asteroids. Have a deep space communication system set up with hundreds of large satelite dishes set up in our empire, with the goal of being able to communicate with anything that is in space, even if its super far away.
Build a massive 10 foot thick wall along my coastal borders.
build a wall along our eastern border
Build a wall along the northern border, and I will train 2000 troops.
Begin very small and simple genetic modifications in labs. Send small unmanned drones and research equipment into other planets in the solar system.