The right answer for the question that is being asked and shown above is that: "c. the men's trust in Leiningen's leadership" The thing that is demonstrated by the willingness of Leiningen's men to remain and battle the ants is <span>the men's trust in Leiningen's leadership</span>
Nothings shown on my side
The Indus River Valley CivilizationLocated in north-western India, the Indus river valley civilization was a collection of villages located along the Indus River that lasted from about 2500 to 1800 BC. The citadel overlooked the lower residential part of the city which had houses placed close together and were fairly large and offered privacy. Mohenjo-daro also had an extensive drainage system available throughout the city and was considered advance for its time.

So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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C. would be your answer.
Explanation: It means the government will provide ONE central defense against any attacks from outside countries/groups.