Was opium a common medication before the modern era of medicine

True.

Explanation:

Opium, extracted from poppy seed, is still used as an anesthetic for chronic pain. But 100 years ago it had very dubious therapeutic purposes. Before the era of modern medicine, opium was indicated to calm agitated children, women diagnosed with hysteria and other things. Already pure opium vapor, heated in a pan, served as inhalation for asthmatics. In short, opium was a very common drug.

addictive games maybe

the correct answer is 4 (giveaways to the public)

something that is given away or gave out for free. an occasion at which things are given away to free. something that is evident or obvious; something that uncovers a mystery.

it could be be in a form of a lucky draw as well. these the company events gather more audience for their pr and it also increases their ratings as well. this is a way to attract more customers towards themselves.