but under Wilson the country had seen that Democrats too were capable of great nationalizations. If they teamed up, the Democrats and progressives could undo all that he and Harding had done. If he wanted to push the government back farther, Coolidge had at most only a few more years. The economy needed to grow so fast that all the errors of the past regarding the railroads no longer mattered, so that people could see that where the railroad enterprise had slowed, cars or aviation might take its place in the future.