He faught them and protected his country
I want to say A a factory employs many workers doing different jobs to produce a car. Factories do mass producing
Answer:
Your essay looks great! I put it into grammarly too, and there are no errors. Good job!

the spinning wheel to produce textiles, the water wheel used to power machinery and the steam engine were invented. These inventions aided in speeding up the production of manufactured items.
Answer:
Option: b. had little or no knowledge of sterilization.
Explanation:
Medical practitioners during the 17th century and 18th century had very little knowledge about the sterilization. Sterilization was little known during this period because practitioners were still learning how to treat people and did not give priority to sterilizing. Sterilizing the surgical instruments was not much in a process. It became increasing use in the late 18th century.