The subordinate clause is "you must start researching now"
The details from this excerpt support the idea that Elizabethans’ attitude toward eating meat was becoming more relaxed given the fact that wealthy people increased the comsuption of meat in their diets, including during Lent, which is a period of time when people fast as a matter of religious belief; and also since the law that forbade meat intake was repealed, many of the households introduced meat diets to suit the demands.
It suggests that Americans are in danger of losing their rights.
It predicts that the enemy will try to take away free speech.
It implies that the US will lose the war if Americans do not buy war bonds.
Answer:
A, thou shall not commit adultery