Why are smartphones useful to traffickers for controlling their victims? They allow traffickers to elude authorities.
They allow traffickers to communicate with the purchaser.
They allow traffickers to advertise on the internet.
They allow traffickers to track their victim's location and actions.

The answer is They allow traffickers to track their victim's location and actions.

the oblique cord is a ligament between the ulnar and radius bones in the lower arm near the elbow. it takes the form of a small, flattened band, extending downward and lateralward, from the lateral side of the ulnar tuberosity at the base of the coronoid process to the radius a little below the radial tuberosity.