President Johnson proved to be an obstacle to the Radical Republicans in Congress, who attempted to completely overhaul the Southern government and economy.
It's actually "Describing past events as an engaging story"
Perfect competition is a standard of the business based on the hypothesis that a substantial fraction of organization to design similar goods utilized by a wide amount of customers. The prototype of perfect competition also implies that it is comfortable for modern organizations to penetrate the market including for surviving unities to give up. Moreover ultimately, it implies that consumers and merchants have comprehensive knowledge about market requirements.