Four Southern states seceded after the election of 1860, which meant they became territories.
ended slavery.
left the Union.
joined the Union.

joined the union

Explanation:

the first  person was right for me

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; conditional stimulus will trigger a conditioned response;