President Goodluck Jonathan is trying to sideline the high-profile governor of his home region ahead of elections.
A new measure means to help professionalize the army by repairing morale and curbing corruption.
Al Qaeda and Iran represent ongoing threats to various targets around the world.
Asuncion's options in trade relationships are constrained by geography.
The past week's events have revived security worries ahead of the 2014 Winter Olympics in Sochi.
With international forces withdrawing, attacks against Afghans have increased in number and in quality.
The weapons deals were made with the threat of Iran in mind.
Efforts to link Brazil's interior with the coast will not solve all of its transportation problems.
