Athens depended on trading.
If they did not trade, their economy would fall apart.
Athens traded things like ships, coins, art (pottery), food and metals like iron and silver.
I believe it is A. he was a black loyalist who fought for the British, so that one makes the most sense to me.
One of the tactics that Filipino insurgents used to undermine American power was "guerrilla warfare" mostly due to the fact that the Filipinos knew the land and territory far better than the Americans.
That is correct. A negative number multiplied by a negative number will be a positive number.