How do you add a direct object in the sentence... Rough seas near Cape Horn endangered?

The sentence "Rough seas near Cape Horn endangered" is missing a direct object. A direct object is a word or phrase that receives the action of a verb. In this case, the verb "endangered" needs a direct object to tell us what it endangered.

Here are some examples of how you could add a direct object to the sentence:

* Rough seas near Cape Horn endangered the lives of sailors.

* Rough seas near Cape Horn endangered the ship.

* Rough seas near Cape Horn endangered the fishing industry.

The direct object in each of these examples tells us what was endangered by the rough seas.