Manhattan Project

(noun)

A research and development program, led by the United States with participation from the United Kingdom and Canada, that produced the first atomic bomb during World War II.

Related Terms

Examples of Manhattan Project in the following topics:

  • The Atomic Bomb

    • Through Operation Alsos, Manhattan Project personnel served in Europe, sometimes behind enemy lines, where they gathered nuclear materials and rounded up German scientists.
    • In the immediate postwar years, the Manhattan Project conducted weapons testing at Bikini Atoll as part of Operation Crossroads.
    • The Army component of the project was designated the Manhattan District; Manhattan gradually superseded the official code name, Development of Substitute Materials, for the entire project.
    • Along the way, the Manhattan Project absorbed its earlier British counterpart, Tube Alloys.
    • Assess the damages of the atomic bombing of Hiroshima and Nagasaki and summarize the production of the atomic bomb through the Manhattan Project

  • The Growth of Suburbs

    • The streetcar lines in Boston and the rail lines into Manhattan made daily commutes possible.
    • Westchester's true importance in the history of American suburbanization derives from the upper-middle class development of villages including Scarsdale, New Rochelle and Rye serving thousands of businessmen and executives from Manhattan.
    • Because these properties were summarily declared to be "in decline," families were given pittances for their properties, and were forced into federal housing called "the projects."
    • To build these projects, still more single family homes were demolished.

  • Washington's Escape from New York

    • General Howe then began to lay siege to the works, but Washington skillfully managed a nighttime retreat through his unguarded rear across the East River to Manhattan Island.
    • In September, General Howe landed about 12,000 men on lower Manhattan, quickly taking control of New York City.
    • This isolated the remaining Continental Army troops in upper Manhattan, so Howe returned to Manhattan and captured Fort Washington in mid November, taking almost 3,000 prisoners.

  • The Growth of Cities

    • Major industrial projects included the Waterworks, iron water pipes, a gasworks, and the U.S.
    • In 1811, New York adopted a grid system of numbered streets and avenues to efficiently develop and sell property in Manhattan.

  • Quebec, New York, and New Jersey

    • Washington skillfully managed a narrow escape, retreating across the East River to Manhattan Island.
    • In September, General Howe landed about 12,000 men in lower Manhattan, quickly taking control of New York City.

  • The Dutch Empire

    • In 1626, the Director of the Dutch West India Company, Peter Minuit, purchased the island of Manhattan from the Lenape and started the construction of Fort Amsterdam, which grew to become the main port and capital, New Amsterdam .

  • The Human Toll

    • Makeshift housing of the type found in shanty towns that sprung up during the Depression, named Hoovervilles to place blame on President Herbert Hoover, in an alley in the Manhattan borough of New York City in 1935.

  • From New Netherland to New York

    • For the capital they chose the island of Manhattan, located at the mouth of the river explored by Hudson, which at that time was called the North River.
    • In this map (c. 1639), Manhattan is situated on the North River.

  • Relief and Conservation Programs

    • Conservation projects included reforestation and flood control, coupling environmental goals with unemployment relief.
    • New Deal projects reclaimed millions of hectares of soil from erosion and devastation.
    • The act also created the Public Works Administration (PWA), an agency in charge of public works projects.
    • Ickes, the PWA spent over $6 billion on 34,599 projects.
    • The agency funded projects and contracted with private construction firms, which carried them out.

  • City Government and the "Bosses"

    • Under "Boss" Tweed's dominance, the city expanded into the Upper East and Upper West Sides of Manhattan, the Brooklyn Bridge was begun, land was set aside for the Metropolitan Museum of Art, orphanages and almshouses were constructed, and social services—both directly provided by the state and indirectly funded by state appropriations to private charities—expanded to unprecedented levels.