News - New Feature Tips
You'll want to make sure the happiness of your planets is going up. You can see it on the planet display page: "Happiness: 95 (+2)". Monuments and your military stationed on that planet increase happiness. The base happiness increase starts at +25 and drops to 0 as a player grows. Militia are a good way to soak up excess unemployed people. Too many unemployed people bring your happiness down. You may also need to find tune the ratio in which your factories produce composites, weapons, and luxuries. You can do so from the link on the production page.