How A 18 year old created a country in Another world akame ga kill

Alex was on his way from the store getting grocery for his mom he complained and just wanted to read his favorite manga akame ga kill he forgot his wallet but a girl came in the street to give him his wallet as he says his thank he soon looks at moving car coming in fast he saves her but died in the process saving her so God wanted to talk with Alex and explain how he saved her so God rewards Alex for his action. his reward system,skills,country a new kingdom
before God sends him to another world God ask Alex and he says he wants to the of akame ga kill Alex will make a strongest army the home of the federation kingdom.