What was the impact of mass production?

Because of Ford, (a)   had ​ (b)   .

Because companies had more products to sell, they began to use ​ (a)   marketing.

Mass marketing meant that (a)   became ​ (b)   .

Organize these options into the right categories.

To buy (a)   people could make ​ (b)   . This was called buying on ​ (c)   .

(a)   became a way to advertise to ​ (b)   ​ (c)  

Because people were buying on ​ (a)   , many people were in (b)   at the end of the 1920s.