Why were the Persian Immortals called the Immortals?

The Immortals served as an Imperial Guard and a standing army during the Persian Empire's expansion and the Greco-Persian Wars. They were so named because the group always contained exactly 10,000 men, as each man who retired, was killed, wounded, or seriously ill would be immediately replaced by a reserve.

Explanation:

ilikeair12 history; do you think the american dream is still attainable? kristinalovestae history; which of the following describes a technological accomplishment of the 1920s a. the completion of the panama canal b. the solo non-stop transatlantic

hope this : d

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.