The speaker says Cortes's strategy involved meeting an emperor, kidnapping him, and coercing him at sword point to endorse the invaders' orders, and that the strategy succeeded.

“Pizarro was replicating Cortez's strategy,”

“which, by the way, was go get a meeting with the emperor and then kidnap the emperor and force him at sword point to say that actually everything's fine and that everyone should listen to your orders. That was Cortez's strategy and it actually worked.”