A method of manufacturing in which all materials, machinery, and workers are assembled in one place is called the:

- economic system.

- the domestic system.

- Slater's system.

- the factory system.

The factory system

Explanation:

Economic system: The system which distributes the goods and services to the consumers, resources allocation, production of goods, etc. It includes various economies like the traditional economy, the market economy, mixed economy, etc

Domestic system: The system in which the peoples work at their homes or do the work in the mechanic shop or workshops.

Slater system: It works to the particular industry i, e for textile industry not for all types of industry.

Factory system: In this system, the labors work on the machinery to produce the goods in one place.

So, by going through the meaning we get to know that the factory system option is appropriate.