No, they do not.
T one time, it was at 10 and 2 o'clock. However, with newer cars that have air bags in the steering wheel, 8 and 4 is a better position.
Yes they do have a version of power steering.
Because they prevent the occupants hitting solid objects in front of them - like the windscreen or steering wheel.
the steering wheel
In Japan people drive on the left with the steering wheel on the right.
usually your cars out of alinment
The cars in Germany have the steering wheel on the left side.
All three major NASCAR Series use rear-wheel drive setups.
Usually 4 wheels and a steering wheel.
By contact with the hot steering wheel conduction
Steering wheel placement aims to put the driver closer to the middle of the road. Some countries decided differently WRT which side of the road to drive on. Cars made to be used in right-side-traffic have the steering wheels to the left, while cars made to be used in left side traffic have the steering wheel to the right.