Question

what was not one of the advantages the british had at the beginning of the american revolution?
most powerful army and navy in the world
many blacks and native americans supported them
very experienced soldiers and officers
soldiers familiar with the terrain

Explanation:

The British had the most powerful army and navy, were supported by some Blacks and Native Americans, and had experienced soldiers and officers. But their soldiers were not familiar with the American terrain as the colonists were.

Answer:

soldiers familiar with the terrain