What type of naval warfare were Ships-of-the-line primarily associated with?

Ships-of-the-line were primarily associated with line of battle warfare, a prominent naval strategy during the age of sail, primarily in the 17th to 19th centuries. This kind of warfare involved large fleets of warships engaging each other in battles where formation and positioning were crucial. The concept of a "line of battle" required ships to sail in a single line to maximize broadside capabilities against opponents while minimizing exposure to enemy fire.

The design and armament of Ships-of-the-line were specifically suited for this style of combat, featuring heavy cannons arranged to deliver powerful broadsides when aligned against the enemy. Tactics involved positioning these ships strategically to concentrate fire on opponents while providing mutual support within the fleet formation.

Each of the other options outlines different types of warfare that do not directly relate to the historical context of Ships-of-the-line. Guerrilla warfare typically involves less conventional tactics, often on land and not suited for the organized naval battles characteristic of Ships-of-the-line. Aerial warfare refers to combat conducted in the air, which of course was not applicable to this type of sailing vessel, while amphibious assaults involve operations between land and sea, which are not focused on the naval engagements that Ships-of-the-line were built for.