It started a period of violence known as bleeding kansas
The answer is C:By improving working conditions. Have a nice day!
The answer is B, established a free trade zone with Mexico
A decline<span> in land productivity would easily have led to famine. The other explanation is that the people of Great </span>Zimbabwe<span> had to move in order to maximise their exploitation of the gold trade network. By 1500 the site of Great </span>Zimbabwe<span> was abandoned.</span>
