Who were the scabs and what did they do

Scabs is a derogatory name for union members who refuse to go out on strike or workers who are hired by businesses to replace striking workers. During the late nineteenth and the early twentieth centuries, strikes were commonplace within the United States.

Explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

what are the options mate?

explanation:

not to be rude or anything but, nobody can really answer that if you don't add the options sorry if it came of rude uwu