Why were the Vikings so successful in annexing territory?

Much of the Vikings' success was due to the technical superiority of their shipbuilding. Their ships proved to be very fast.Vikings also navigated the extensive network of rivers in Eastern Europe, but they would more often engage in trade than in raiding.

Explanation:

with the political divide on multiple issues we are headed that way but one of the biggest issues that has texas involved is that democrats believe that only and form of officer or military member can posses a firearm and if they ever end up repealing the right to bear arms i am sure that most people in the lower southern states would choose to seceed in order to keep thier firearms and even fight for them. this is my opinion it does in no way, shape, form, or fashion represent everyone in the lower southern states nor am i implying thst only the southern states want to keep there firearms.