The congress works with the house of representatives and people who work for the house of representatives work with the congress but i depends on witch congress you are takling about.
Answer:
i think it is D) moving people easier and cheape
"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.
1.Must study the Religion
2.Must praise to your god
3.you must be saved
4.idk the last one
B and C. These are both benefits, the other two just don't have anything to do with what the question is asking.