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 American Civil War, widely known in the United States as simply the Civil War as well as other sectional names, was a civil war fought from 1861 to 1865 to determine the survival of the Union or independence for the Confederacy.t remains the deadliest war in American history, resulting in the deaths of an estimated 750,000 soldiers and an undetermined number of civilian casualties. One estimate of the death toll is that ten percent of all Northern males 20â45 years old, and 30 percent of all Southern white males aged 18â40 died.