One of the challenges John Roebling faced during the designing of the Brooklyn Bridge was

making it attractive for New Yorkers to look at.
making it tall enough for all ships to pass under it.
making it blend in with the growing New York skyline.
making sure that it was constructed of iron.

making it tall enough for all ships to pass under it.

One of the challenges John Roebling faced during the designing of the Brooklyn Bridge was making it tall enough for all ships to pass under it.

During the designing of the Brooklyn Bridge, one of the challenges John Roebling faced was making it tall enough for all ships to pass under it. To understand this, we need to look at the design considerations and the specific factors related to the bridge's location.

To find the answer, we can start by researching the Brooklyn Bridge and its specifications. We can search for reliable sources such as books, articles, or official websites that provide information about the bridge's design process. Historical records and accounts from that time could also offer insights into the challenges faced by John Roebling.

Once we have gathered the necessary information, we can analyze the design requirements and constraints of the Brooklyn Bridge. In this case, the bridge had to span the East River, a significant waterway for shipping and transportation. Therefore, one of the key considerations for John Roebling was to ensure that the bridge's height allowed all ships to pass through without obstruction.

By examining the historical context, research materials, and design aspects of the Brooklyn Bridge, we can conclude that one of the challenges John Roebling faced was making it tall enough for all ships to freely navigate underneath.