Consumers can impact competition between businesses based on what they consume. Different businesses who produce the same product often produce them differently and produce a different quality of the item.
Consumers impact competition based on which company they purchase their products from. By purchasing products, consumers are showing the companies what kind of a product they want, which results in companies competing to develop the best version of the product.
First, the proposal by congress (by two-thirds votes of both houses) or proposal from a convention called by two-thirds of the states is passed. The proposal is then sent to the state legislatures.
