I think that it is c but at the same time i think it is b
(in the Vietnam War) the US policy of withdrawing its troops and transferring the responsibility and direction of the war effort to the government of South Vietnam.
Are there answers or is this an open response?
The United States was interfering in the civil war of another nation.
The correct answer is letter C
Secondary research, or “documentary research”, is the synthesis of information and data that has already been collected by other sources. Magazines, books, import and export data, production data, statistics and government censuses are some examples of secondary research.
Meaningful research must produce at least one formal publication. Throughout the research process, documents are produced, also called “sources”, which can be classified into: <u>first-hand (or primary) sources, second-hand (or secondary) sources and tertiary sources.</u>