Answer:
Generally speaking, a key development that occurred globally during the classical era was "D. The expansion of cultural exchange through regional trade", since this was a time of cultural and technological diffusion.
Explanation:
The legal challenges contribute to the decline of Reconstruction when President Lincoln announced that there is a plan for reconstructing the Confederate states which are already under the Union control. He proposed to excuse the Confederate who took a pledge to support the Union.
Answer:
the answer is B
broke off diplomatic relations
Reform means the improvement or amendment of what is wrong or currupt.