Answer:
Delays at the ferries.
Explanation:
From the given excerpt from Seth Lowe's speech on the opening of the Brooklyn Bridge, it is easy to infer that the newly constructed bridge will help ease a great deal of the inconveniences of the people trying to get to their business destinations.
Moreover, it will ensure that there is a safe and quicker way of getting to their work destinations. The detail that shows the main difficulty that the people faced when trying to get between the two boroughs before the bridge was built was in the phrase <em>"delays at the ferries"</em>. This delay made it the most difficult for them to face.
