They were relocated or died; decreased
Release from control by the monarchy
It's a leading question, as cross-Atlantic trips carrying slaves would be European of all kinds. Though vikings usually enslaved people from the Baltic area but had slaves (thralls, in Danish; "trælle") from just about everywhere.
The Dutch and Belgians were far nastier than most nords, as at some point the Spanish and the Germans. Not to mention the old empire of the queen.
Answer:
if there is a C answer im pretty sure it would be C.) They established sea trade routes, which helped in spread of ideas and goods because none of the others make sence
Explanation: