The period between the end of the middle ages and the present
(apex)
The United Nations. They also helped prevent any more world wars.
"The name code talkers is strongly associated with bilingual Navajo speakers specially recruited during World War II by the US Marine Corps to serve in their standard communications units of the Pacific theater. Code talking, however, was pioneered by the Cherokee and Choctaw peoples during World War I.
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They sent and received verbally encrypted messages over radio to and from the battlefield during World War 1.
Answer:
that "separate it equal" facilities were allowed to segregate African Americans
Answer: the new military technology.
Explanation: