Which correctly describes the 54th massachusetts regiment? a. it convinced jefferson davis to arm slaves to fight for the south. b. it proved that black troops could fight bravely and well. c. it was the first union regiment to fight under black officers. d. it won more battles than any other union regiment.

The original tragedy of the commons concerned grazing cows and sheep in fourteenth century england. choose the statement about this tragedy of the commons that is correct. a. the tragedy of the commons in fourteenth century england was overcome by the common lands being enclosed and privatized. b. everyone had an incentive to ensure that the land was not over grazed. c. even with the tragedy of the commons, the use of the commons was efficient. d. the tragedy of the commons in fourteenth century england was overcome by falling wool prices and the decrease in the size of sheep flocks.