Which statement most clearly uses relative chronology to organize events
since 1877?
A. The Cold War unfolded through several conflicts over the course
of the 20th century.
B. The Spanish-American War marked the last major conflict of the
19th century
C. The first U. S. troops reached Vietnam in 1965 and the last troops
withdrew in 1973
D. Because of the horrors of World War I, America entered into a
period of isolationism.