Which sentence uses commas correctly? a. snow itself can be fun but, too much of it can be a hazard. b. a blizzard can knock down power lines, and, it can cause accidents. c. we enjoy playing in the snow, and we also enjoy coming in afterwards for hot chocolate. d. freezing rain can turn to ice on roads and this icy coating can make driving dangerous.

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation:

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.