Read carefully the below points because it is very important for me and write Essay please?

1. I have wife and two kids but they are not living with me. they live in Ethiopia. I wanna move them to United state because, i can not live without them. For their process i summit every documents and i pay the fees ,but they are not response for me. i don't know why. living without family is very hard. i miss them and also they miss me. my kids growing without me.