In practice, setting up a chain of command in a business can be a very complicated task
In practice, setting up a chain of command in a business can be a very complicated task, as it involves the interaction of real human beings.

Note: What does the meaning of “as” in the sentence above?

Question

In practice, setting up a chain of command in a business can be a very complicated task
In practice, setting up a chain of command in a business can be a very complicated task, as it involves the interaction of real human beings.

Note: What does the meaning of “as” in the sentence above?

Answer

"As" means "because" in the sentence above.