C) African Americans were an inferior race that did not deserve the same rights and privileges as whites
Justinian was one of the most important rulers from the over 1000 years of rule of the Byzantine Empire. He created many codes, or laws, to unify the empire. He spread religion throughout the Byzantines. Expanding the empire was also a big achievement made by him. The most important architectural monument of the Byzantines, the Hagia Sophia, was also created at this time.
(Sorry, I'm a World History geek, I took AP World History freshman year ;))
An advantage is that it takes way less time to do it than to create a formal treaty since the President would not need consent from the congress for an executive agreement. A formal treaty can, however, last longer because it is more difficult to cancel, so if it's good, then it is also safer for it to be formal.
Pyramids were built with a variation of stone materials; low grade limestone was used at the core; fine white limestone was used for the outer casting or to cover interior walls; pink granite was used also on inner walls; basalt or alabaster was used for floors; and mud bricks were used to build the walls in the temples.
To justify his reasons for entering the war and to implore Congress to declare war on Japan and its allies(Axis)