In intersections without traffic sign

In uncontrolled intersections without traffic sign or traffic sign and the light signal device, which of the following is wrong to do?

1- Driving from the road to the main road leads to the vehicles passing the main road 

2- The returning drivers give way to the passing vehicles

3- Passing all vehicles with transit superiority

4-  Routing of the right from the motor vehicles to the road from the left

The right answer is: 4-  Routing of the right from the motor vehicles to the road from the left