Answer:
The Hellenistic World
Explanation:
The Hellenistic World (from the Greek word Hellas for Greece) is the known world after the conquests of Alexander the Great and corresponds roughly with the Hellenistic Period of ancient Greece, from 323 BCE (Alexander's death) to the annexation of Greece by Rome in 146 BCE.
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada.
The answer to this question is Yes.
Process of elimination - everything but 1 and 3 does not sound like a bad thing. But the answer is yellow stars.