In most cases, countries use tariffs to reduce foreign competition, but tariffs are also used
(a) to shorten supply chains.
(b) as a response to perceived unfair trade practices.
(c) to offer domestic discounts.
(d) to stimulate consumer demand.
(e) as a way to equalize quotas.
your answer is b. (architecture & construction)
if you edit the question i could answer it.
out of the following answers, option a. seems most fitting. elderly customers would likely want a calm environment where they can work at their own pace. the other options cater to other demographics. so a. would be an appropriate emphasis for charles' message.