the code name given to the American effort to develop the first nuclear weapons during World War II, with assistance from the United Kingdom and Canada

The Manhattan Project was the code name given to the American effort to develop the first nuclear weapons during World War II, with assistance from the United Kingdom and Canada.

a research and development project that created the first nuclear weapons

The Manhattan Project was a research and development project that created the first nuclear weapons.

the Allied effort to create atomic bombs during World War II

Its construction was part of the Manhattan Project, the Allied effort to create atomic bombs during World War II.

a research and development undertaking

The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons.

develop an atomic bomb

The Manhattan project was the code name for the US efforts during World War II to develop an atomic bomb.

to produce the atomic bomb

The manhattan project was the code name for the us effort during world war ii to produce the atomic bomb.

undertaken during World War II by the United States the United Kingdom Canada to develop the first nuclear weapon ( atomic bomb)

The Manhattan Project was the project undertaken during World War II by the United States, the United Kingdom and Canada to develop the first nuclear weapon (atomic bomb).

a research and development project

The Manhattan Project was a research and development project during World War II that produced the first nuclear weapons.

the effort, led by the United States with participation from the United Kingdom and Canada, which resulted in the development of the first atomic bomb during World War II according to the U.S. Department of Energy

The Manhattan Project was the effort, led by the United States with participation from the United Kingdom and Canada, which resulted in the development of the first atomic bomb during World War II according to the U.S. Department of Energy.

the American program for researching and developing the first atomic bombs

The Manhattan Project was the American program for researching and developing the first atomic bombs.

with the goal of developing an atomic bomb before the Nazis

The Manhattan Project was a top-secret research program launched in 1942 by the US government, with the goal of developing an atomic bomb before the Nazis.

the joint US-Canada-UK project to develop an atomic bomb during WWII

The Manhattan project was the joint US-Canada-UK project to develop an atomic bomb during WWII.

a secret program initiated by the United States government to develop the atomic bomb

The Manhattan Project was a secret program initiated by the United States government to develop the atomic bomb.

a research programme of the US government, active between 1942 and 1945, which produced the first atomic bombs

The Manhattan Project was a research programme of the US government, active between 1942 and 1945, which produced the first atomic bombs.

the massive US government effort that built the first atomic bombs during World War War II

To explain, the Manhattan Project was the massive US government effort that built the first atomic bombs during World War War II.