How did the discovery of gold in California impact the national debate over slavery?

A) It encouraged the expansion of slavery because enslaved people were needed to work in the mines.

C) It threatened to upset the balance of free states and slave states.

B) It proved that slavery wasn't necessary for economic growth

i just took this and i got the answer right the answer is

It threatened to upset the balance of free states and slave states.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

answer; does not include a reference to the audience;