The geneva convention established rules for
a.
the treatment of prisoners of war
b.
encrypting messages
c.
building up arms
d.
converting ccc camps into internment camps

a.  the treatment of prisoners of war

Explanation:

The Geneva Convention established rules for the treatment of prisoners of war.

a.  the treatment of prisoners of war

Explanation:

The Geneva Convention for the first time established in 1864 and replaced in 1906 when the Swiss government planned a conference of 35 states to review and update the previous laws. The Geneva Convention made rules for the protections to those captured, wounded in battle. The Geneva Convention also applies to medical personnel assigned in battle while taking care of soldiers.        

panamal canal treaty and iran hostage crisis hope this

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.