Despite there being no fundamental difference in shipbuilding traditions in Viking-Age Scandinavia from the ones in other parts of Northern Europe, archeological evidence shows that viking ships were lighter, slimmer, faster, and thus probably more seaworthy than the heavier vessels used by the English at that time.

A.
B. Despite no fundamental difference between the shipbuilding traditions in Viking-age Scandinavia from those

C. With shipbuilding traditions in Viking-Age Scandinavia not fundamentally different from those

D. With the shipbuilding traditions in Viking-Age Scandinavia having no fundamental difference from the ones

E. Although shipbuilding traditions in Viking-Age Scandinavia were not fundamentally different from those

got stuck between B and E.
What is the difference between Despite and Although in GMAT?