The meaning of this quote "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" means if the leader is unknown to many people once he has finished or achieved a remarkable goal other people (such as Laozi) can steal the glory and be remembered for something they didn't do.
What is the source what is it referring to
Depends on the country, for example the UK Prime Minister is elected by the public.
Hope this helps.
The technique which two protesters of the Sardar Sarovar Dam project use to gain attention tot heir protests is: <span>a hunger strike/fasting
They began their fast to protest the central government that stands with the Sarovar dam project that endangers civilian's farm lands by increasing the height of the dam.</span>
The answer is A. Frank Lloyd Wright