Unofficial rules.
In the US, you drive on the right side. By extension, when walking on the sidewalk, you walk along the right half. If you're coming straight at me and about to collide with me, and you're on the wrong side, it is YOU who needs to move, not me.
In the US, you drive on the right side. By extension, when walking on the sidewalk, you walk along the right half. If you're coming straight at me and about to collide with me, and you're on the wrong side, it is YOU who needs to move, not me.