The development of a system of mass production in manufacturing meant that
machines rapidly produced large amounts of product
products were handmade
products were made in foreign countries
individuals slowly made small amounts of product

The correct answer is A. Machines rapidly produced large amounts of product

Explanation:

Mass production refers to a method of continuous and massive production, this is based on assembly lines as wells as specialized machines or workers. It is common, in mass productions there are different stations and in each of them, a step of the production is completed which leads to multiple products being manufacture at the same time. Additionally, mass production differs from traditional production because, in this, only one unit of a product is manufactured at a time. According to this, mass production meant machines rapidly produced a lot of products.

number 4. should be the correct answer