Answer:
D
Explanation:
This is because the other 3
are also well known req for becoming senate and no need for those amounts of years practicing for lawyer related topics
His "Back to Africa" movement and creation<span> of the National Association</span>
The first answer seems to be the most likely answer
Not sure if you still need this, but it is actually the last once, the Channel and Sea were barriers that made it impossible to get an invasion force to the Island without the RAF and the Royal Navy interfering