How did the Vikings eventually establish Vinland?

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

On the doctoral journey, you will need to adjust your thinking and perspective. it is inevitable that your world view will be challenged. how you respond to those instances of challenging remains in your control. this may sound daunting and even seem to be unacceptable, but it is the inexorable result of engaging in "deep thinking" while becoming an academic. remember, you are not just becoming a researcher, but you are also becoming a learned person (an academic) who will be charged with the responsibility of acting as a gatekeeper of knowledge and knowledge development. what distinguishes an infant academic from a mature academic? explain. how does the above biblical challenge to move toward mature thinking parallel the increased responsibility for knowledge and knowledge development that comes with the earning of a doctoral degree? explain.

How is citizenship achieved in the united states? check all that apply. citizenship by birth citizenship by residency citizenship by naturalization citizenship by employment citizenship by immigration