Answer:
in short: the boat gave infantry more angle's of attack and a easier way to exit the boat's
Step-by-step explanation:
Higgins Boats changed the way that war was fought. Previously, navies would have to attack ports, which were usually heavily defended. By using Higgins Boats, armies could unload across an open beach and have more options in choosing their attack points. This also stretched the defending armies. Instead of concentrating on only a few entry points, defenders had to cover more shoreline. In both the Pacific and European Theaters of World War II, Higgins Boats allowed Allied armies to move ashore.