These advances in cancer immunotherapy are the result of long-term investments in basic research on the immune systemâresearch that continues today. 1  Additional research is currently under way to: 2  understand why immunotherapy is effective in some patients but not in others who have the same cancer. expand the use of immunotherapy to more types of cancer. increase the effectiveness of immunotherapy by combining it with other types of cancer treatment, such as targeted therapy, chemotherapy, and radiation therapy.
Spying in the Civil War. Introduction. Though neither the Union nor the Confederacy had a formal military intelligence network during the Civil War, each side obtained crucial information from spying or espionage operations. From early in the war, the Confederacy set up a spy network in the federal capital of Washington, D.C., home to many southern sympathizers.
The period between 1861 and 1865 is referred to as the Civil War in the American history. It was fought between the Southern states--the Confederation--and the Union of the Northern states. The main causes of this brutal and bloody civil war were issues of federal control over the states, trade and slavery.t was fought between the Southern states--the Confederation--and the Union of the Northern states. The main causes of this brutal and bloody civil war were issues of federal control over the states, trade and slavery.