Answer:
The war ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse on April 9, 1865. The last battle was fought at Palmito Ranch, Texas, on May 13, 1865.
Maria Reynolds was abused by her husband and used as blackmail amongst wealthy individuals, Alexander may have been lured in by her, but ultimately he was the one how decided on the final action committed.
The government system of the Soviet Union during Cold War was communism, which basically abolishes the right of an individual to own a private property. This means that the government has the sole control in all of its resources, thus a greater chance of accumulating and safe-keeping of wealth. Furthermore, during those times war among nations was already at a set off so there was a need to advance their artillery system and other equipment needed to armed themselves in case of attacks. Therefore, most of their resources went to defense spending.
This lead to the understanding among the Soviet Union's people that the current government system was already inefficient and is not viable to sustain the needs of their country. People then demanded a change.
The Freedmen’s Bureau, formally known as the Bureau of Refugees, Freedmen and Abandoned Lands, was established in 1865 by Congress to help millions of former black slaves and poor whites in the South in the aftermath of the Civil War. The Freedmen’s Bureau provided food, housing and medical aid, established schools and offered legal assistance. It also attempted to settle former slaves on land confiscated or abandoned during the war. However, the bureau was prevented from fully carrying out its programs due to a shortage of funds and personnel, along with the politics of race and Reconstruction.