This sentence is messy, as well as a run-on. Here's a revised version:
"It becomes easy to gossip among the office, but remember; it is just as easy to keep it a secret!"
There is proper punctuation added to make it easier to read. It also adds personality and emotion to the sentence. Try reading the two aloud and compare them. You can make changes to it if you feel it necessary.
Answer: “She tried to explain to them why none of them could go back to the plantation. If a runaway returned, he would turn traitor, the master and the overseer would force him to turn traitor.”
Explanation: Took the test :)