After the handshake, it is easier to talk to each other than otherwise.
After the handshake, it is easier to talk to each other than in a situation where we don't shake hands.
It is easier to talk to each other in a situation where we've done handshake than in a situation where we haven't.
Whenever I try to make sentence that involves comparative grammar, I have no idea what I'm doing. So If you could help me get out of this tight spot, I would really appreciate it. Which one is the most common and right one?