¿Qué beneficios crees que introdujo la máquina de vapor en la agricultura, el transporte y la producción de manufacturas?

i beleive its 1)aids

the carthaginian general hannibal

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.