Which Statement Is True About the Confederacy

Which statement is true about the Confederacy?

A) The Constitution of the Confederate States of America was drafted to be different in all ways from the U.S. Constitution.
B) The Constitution of the Confederate States of America explicitly guaranteed slave property in the states and in any newly acquired territories.
C) Confederate leaders planned to return lands to Indian tribes within the Confederate states that had been seized by the United States.
D) Confederate leaders opposed imperial expansion into Central America and the Caribbean.
E) Stephen Douglas became president of the Confederacy.