Answer:
gold ivory was highly praise and considered a symbol of wealth in the empire of great Zimbabwe and in earlier Bantu cultures
In 1753, Virginia's governor sent 21 years old maj. George Washington to a mission, deliver a message to the french, demanding that they leave the Ohio valley, not only they wanted to stop the expansion of the french, but also control a fertile region, with great rivers and transit corridors, Washington made his way to the valley with a family friend who spoke French, they arrived on December 11th 1753 and were received by the captain Jacques Legardeur de Saint-Pierre, who after reading the letter replied that the claim was "incontestable". Washington went back to Virginia and made it there after two and half winter months.
C because it had to do with security of the colonies.
