Even though we consider cast today to be highly technologically advanced, most of the fundamental technologies had been introduced by the late 1930s. Popular models which were invented in this period include the Rolls Royce phantom three, the Volkswagen Beetle, and the Ford V8. The great depression had a huge economic in impact on the world and many car manufacturers began to fold. The only ones which survived were the large companies who could keep cost production down stay in business throughout this difficult time.