"a leader is best when people barely know he exists; when his work is done, his aim fulfilled, they will say: we did it ourselves."- laozi

what is the meaning of this quote, who wrote it and what were they like, and what belief system did this quote belong to and why

The correct answer is Lao Tzu wrote the quote.  

Lao Tzu was an ancient Chinese philosopher and the quote belong to Taoism.

The meaning of the quote is the following.  

A good leader has to set the example and let their people do the things that need to be done. The evidence that he is a good leader is when he lets his people do their job alone, without the presence of a boss that is always at their backs. So when they finish the task at hand, the followers/employees can have the satisfaction to say that they reach the goal on their own. Under the supervision of the leader who is ultimately responsible of the group, but people have the freedom to do things their way.

answer: d. an organization that fought for women's voting rights

the use of email to replace slower surface mail.