I’d say C . Trade deficits
I believe the answer is B.Karl Marx.
United Kingdom and Brazil
Explanation:
a unitary system is lead by one governing system
federal gives authority to state and local systems
The word “imperialism” is widely used as an emotive—and more rarely
as a theoretical—term to denote specific forms of aggressive behavior on
the part of certain states against others; the concept refers primarily
to attempts to establish or retain formal sovereignty over subordinate
political societies, but it is also often equated with the exercise of any form of political control or influence by one political community over another.
hope this helps :)