 Complete the following phrase:  By 1865, most of the Grove had been lost. Its flower beds and paths had been trampled out of existence by troops and pack animals, and some of its trees had been cut down. That year, Meigs decided to build a monument to Civil War dead in the center of the Grove. U.S. Army troops were dispatched to investigate every battlefield within a radius of the city of Washington, D.C. The bodies of 2,111 Union and Confederate dead were collected, most of them from the battlefields of 