No the last one is for a question, the proper punctuation would be a period.
The Soviet Invasion of Afghanistan and the U.S. Response, 1978–1980. At the end of December 1979, the Soviet Union sent thousands of troops into Afghanistan and immediately assumed complete military and political control of Kabul and large portions of the country.
True I personally think it is true bus I’m not completely sure that’s a really good and detailed book Tho one of my favs
