Which was not a problem faced by the american factories in the late 19th century?

slim jim pickle bim bang bongo babado

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

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 exactly is the question to this?