Explanation: While the Continental Congress authorized an army of up to 75,000 men, Washington's army never enlisted more than 18,000 at a single time. This was partly because many soldiers preferred to fight in local militias that rarely coordinated strategically with the Continental Army.
It would be "b. To search for more slaves" that was <span>not a reason for the Boers movement north, since this was not part of the conflict between the Boers in Africa and the British. </span>