The sword is a very good invention back when sword were used they were awesome.  this picture

will show you what it looked like back then  it shows the cross guard

the cross guard  was to make it so when you who’d sewing your hand who did

slide of if, it did your hand would get sliced that would hurt that might cut your

hand or finger of. OK now lets talk about a Trireme was a ship created to ram

other ships so they would sink or get damaged. It had three rows men would row

solders would stand on top and captains in case of a attack.