Complex sentence: The United States Intelligence Community appropriated usage of the term "disinformation" in the 1950s from the Russian "dezinformatsiya", and began to utilize similar strategies during the Cold War and in conflict with other nations.
Split into simpler sentences: The United States Intelligence Community appropriated usage of the term disinformation in the 1950s from the Russian dezinformatsiya, and began to utilize similar strategies. U.S. intelligence agencies used the tactic during the Cold War and in conflict with other nations.