b. "the work was governed by extremely tight, rigid discipline"
f. "careful organization did not solve the second problem with sugar"
Option B suggests that the process for the sugar cane plantation had to be difficult, because it is so regulated. (hence the discipline for the workers)
Option F indicates that there are still other issues included, issues that even careful organization and discipline cannot solve.
Answer: A strict lockdown is better because it can control the virus so much better and the restrictions can end faster. A Smart lockdown can be comfortable for us because many things are open, it also means we will have longer lockdowns with more cases.
Adjective has a black-and-white view of human nature, believing that there is no mediate state between good and evil Verb He has been appointed to mediate the dispute. He is attempting to mediate a settlement between the company and the striking workers