The answer is D. Its the only one which would make sense.
<span>It contributed to the desire of secession by many of the southern states</span>
They were expected to marry men who were rich or who had a lot of land
C) She over saw the conquest of Korea.
The correct answer to this is: checks and balances.
The system of checks and balances is the system by which branches of government are limited by other branches. This ensures that no one branch becomes too powerful.