What evidence from the passage best supports the inference that making sugar was difficult? Select two options.
A
"growing and grinding took place in the same spot"B
"the work was governed by extremely tight, rigid discipline"C
"Muslims began to put together the rules for this new kind of farming"D
"experimented with using their slaves to run the plantations"E
“many of the slaves working sugar plantations in the Mediterranean were Russians”F
"careful organization did not solve the second problem with sugar"