They are ineffective against viral infections because viruses can not be treated with antibiotics.
Answer: The answer is Simulation Games
Explanation:
Simulation games are games that are designed to imitate or closely simulate real-world life activities. The players are able to control characters in the game, they are provided with a simulated environment in which they can play. The characters in the game copy real life activities such as flying a plane, managing a city as listed in the question, cooking, interacting with others, attending school or going to work, etc.
Probably through a electron microscope either TEM or SEM. or possibly a picture through the microscope. I hope that helped.
Answer:
They allowed businesses to operate with few regulations.