What impact did the sale of silk have on Roman society?

They flourished. Venice was one of the cities that grew so much with the sale of silk. Europe as a whole grew very rich.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

Ithink the answer you are looking for is (b).