In the investing sense, securities are broadly defined as financial instruments that hold value and can be traded between parties. In other words, it's a catch-all term for stocks, bonds, mutual funds, exchange-traded funds or other types of investments you can buy or sell.
Answer: People couldn't find the radio stations.
Explanation:
Every radio station is assigned a frequency on which they are to broadcast. These frequencies identify the radio stations such that people are able to find them by just going to that frequency.
This was the main reason why the government had to assign radio frequencies. Initially, radio stations took on different frequencies and finding them could be cumbersome as they sometimes changed. By assigning one frequency to a station, listeners could always find it there.
The federalist position on the adoption of the Constitution was the argument of the difficulties facing republic which could be overcome only by the new government based on the Constitution.