When was the old kingdom in egypt 1000 bce

After two centuries (off and on) as a province of the Persian empire, Egypt was conquered by Alexander the Great. After his death in 323 BCE, Egypt passed into the hands of his general, Ptolemy, and his descendants. Under them, Egypt has become the wealthiest and most highly organized of the “Hellenistic” kingdoms.

sonar maybe? ? i dont know the choices

the government closely monitored its finances to avoid another financial collapse.