During which conflict did the Coast Guard transport troops and supplies from 1861 to 1865?

The correct choice reflects the significant role of the Coast Guard during the Civil War, which lasted from 1861 to 1865. During this conflict, the Coast Guard, then known as the Revenue Cutter Service, was actively involved in various maritime operations. They were tasked with transporting troops and supplies to support Union forces, patrolling coastal waters, and enforcing blockades against Confederate ports. This involvement was crucial in maintaining the Union’s naval superiority and ensuring efficient logistics during military operations.

The other listed conflicts occurred later in history and involved different levels of Coast Guard engagement. For example, World War I and World War II saw the Coast Guard conducting various operations, but the primary troop transport and logistical support role from 1861 to 1865 is specific to the Civil War. Similarly, the Spanish-American War occurred in 1898, making it too late to pertain to the time frame of the Coast Guard’s troop and supply transport activities.