Question

Which text evidence best supports the authors' claim that sugar processing was a long and difficult process?

"A stream of pale ash-colored syrup gushed out from the mills."
"Then there was the smell, or rather, the stench of the boiling liquid."
"As the [sugar cane] juice boiled, a foul scum rose to the top."
"Over and over again the liquid had to be strained and purified."

Answer 1

"Over and over again the liquid had to be strained and purified."

This line explicitly shows repetition and multiple steps, indicating the process was lengthy and laborious.