The Manhattan Project was the project of the first atomic bomb produced by the United States (first utilized in Hiroshima and Nagasaki, eventually influencing the surrender of Japanese forces). This was a major turning point of WWII.
During the Second Industrial Revolution, the labor movement in the United States grew out of the need to protect the common interest of workers. These labor unions fought for better wages, reasonable hours and safer working conditions as during that time, the working conditions in factories, mills, and mines were terrible. So workers joined together and created unions in order to fight for their safety and better and increased wages.
A referendum is when people from one country vote secretly on a given problem. Hope it helps and what are the given options?
Answer: Roosevelt Corollary stated that European nations were not allowed to intervene in Latin American countries, i.e. do not send ships over to collect $ owed to you. Inform the US, and we will take care of it. Added to the Monroe Doctrine
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Byzantine Empire. Eastern Roman Empire or Byzantium rose to existence by the foundation of the city Constantinople in 324 AD, and the final division to Eastern and Western Roman Empire did not happen until 395 AD. It lasted until the year 1453 when the Turks conquered Constantinople.
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