Answer: the object to rotate at a constant rate the angular velocity.
Explanation: The torque is the force that a body experiences that causes it rotate around a fixed point. The net torque also referred to as the total total torque causes an object to rotate at a constant rate with a given angular acceleration. The torque is measured about a given rotational axis.
Trade enhances economies through the creation of jobs, and the sale of the items. Can't have an economy without buying and selling. Trading is usually a positive thing, that being said certain types of trade can actually hurt jobs. For instance, when more modern clothing was invented and sold, lots of people selling animal skin clothing and such probably had to find a new way to make a living.