I would say either A or C, but i'm not positive, my research didn't tell me much, sorry!
Answer:
(A) Relocated
Explanation:
You didn't include the sentence that was meant to be shown but based on the connotation and definition of the word 'migrated', the answer is most likely relocated.
Hope this helps :)
The President in the executive branch can veto a law, but the legislative branch can override that veto with enough votes. The executive branch can declare Executive Orders, which are like proclamations that carry the force of law, but the judicial branch can declare those acts unconstitutional.