Effective written communication is important in a workplace as it can contain important information about the workplace that needs to be understood by all. It is also important because it can carry instructions that need to be brief and therefore improving work done by all.
That is all I could think of. I hope it helped
Metaphors are where two things are being compared without the use of like or as.
the metaphors from that excerpt would be: “the manacles of segregation”, “chains of discrimination”, “lonely island of poverty”, and “ocean of material prosperity”
I believe it is “The teacher’s books”
I should be a comma after "not" I believe.