Solid evidence, to be proven guilty
D seems to be the most correct. Hope that helps!
"American Civil War Prison Camps<span> were operated by both the </span>Union<span> and the </span>Confederacy<span> to handle the 409,000 soldiers captured during the war, 1861–1865. The Record and Pension Office in 1901 counted 211,000 Northerners who were captured. In 1861-63 most were immediately paroled; after the parole exchange system broke down in 1863, about 195,000 went to prison camps. Some tried to escape but few succeeded"</span>