Questions: . . . we must, by means of a rapid and sustained build-up of the political, economic, and military strength of the free world . . . wrest [take] the initiative from the Soviet Union. . . . - Recommendations made by the National Security Council to President Harry Truman, 1950 This document describes the United States' response to the - A. Cold War tension in Europe B. Japanese invasion of China C. creation of the state of Israel D. creation of the Manhattan Project

The answer is D. creation of the Manhattan Project

The Cold War tensions in Europe primarily involved the geopolitical and ideological struggle between the United States and the Soviet Union after World War II. The Manhattan Project, however, was initiated during World War II, before the Cold War began, and was not a direct response to Cold War tensions.

The Japanese invasion of China began in 1937, leading to significant conflict in Asia. While the United States was concerned about Japanese aggression, the Manhattan Project was not a direct response to this invasion. Instead, it was more focused on the threat posed by Nazi Germany's potential development of nuclear weapons.

The creation of the state of Israel occurred in 1948, after World War II. The Manhattan Project, which took place during World War II, was not related to the establishment of Israel.

The Manhattan Project was the United States' response to the fear that Nazi Germany might develop nuclear weapons first. It was a research and development project during World War II that produced the first nuclear weapons. The project was initiated in 1939 and became fully operational in 1942, leading to the development of atomic bombs used in 1945.