Answer:
Some of the first American advertising agencies were space brokers, who bought space in newspapers and sold it to their clients.
True The first American advertising agencies were newspaper space brokers, individuals who purchased space in newspapers and sold it to various merchants. Newspapers, accustomed to a 25 percent nonpayment rate from advertisers, welcomed the space brokers, who paid up front.
hope it helps you and mark me brain list don't forget to follow me