The cia planning was extraordinary. questions were asked. problems were anticipated, solutions suggested. with information provided by an informant in the soviet state-run telephone operation, the u. s. knew that the spot they needed to reach with the tunnel was under schonefelder chaussee, a major highway that ran along the southern edge of berlin.

which statement best describes the author’s viewpoint in the passage?

the us government planned a spy mission in eastern germany to obtain information.
the us government’s skillful use of research and intelligence enabled a vital spy mission.
the united states worked with other allied countries to create a tunnel under a highway in berlin.
the united states violated international rules of diplomacy when spying on the russians in berlin.