Mechanization has greatly increased the number of people engaged in agricultural in the united states since 1950 true false

The correct answer is - False.

The mechanization in the agriculture contributed to less people being involved in it, and that is because with the mechanization much less human labor is needed since the mechanization is doing the work for multiple people and animals, with the same or better efficiency, and also quicker and cheaper.  

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker

brave new world, aldous huxley (1932)