In the early 1800s, mass production was made possible by

In the early 1800s, mass production was made possible by a series of inventions which made possible to use a few amount of energy to produce an unprecedent amount of products. The most important, by any means, was the steam machine, as it converted carbon into a lot of energy, giving the substance and power for the industrial revolution to rise.  

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

lend lease program was passed by congress on march 11, 1941. the president could ship weapons, food, or stuff to any country whose struggle against the axis assisted u.s. defense