He googled ⬆️ it’s actually because trade increased, merchants needed more money to do business, so banking started. another approach to get more money was to invest together with people which is joint- stock companies
As trade and commerce grew, the need for banks arose. Banking increased the wealth of merchants. Thus, they began to create joint-stock companies, or businesses in which a group of people invest together. This allowed investors to take fewer risks since investors were able to share in the companies' profits and losses.
If the word advent means to get something or to be introduced to it, and the function of the microwave is to take less time preparing dinner, B is the most natural option.