What word comes from the greek oligos meaning few and arkhe meaning high to rule

It comes from the Greek word,  arkhein (to rule) , arhko (I rule), arkhe (rule). -arium is a suffix from Latin, and is used to form nouns usually stating a place. -cide is a suffix with two related meanings.. I hope this has helped

d.he wanted to send diplomats to communist countries.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions