(-6,0) because you can substitute 0 for y and then solve for x
the US is a federal republic and a constitutional representative democracy
It would be the population increased. The Neolithic Revolution was the period in which people, at the time mostly nomads, gradually adapted a sedentary lifestyle, leading to population increase.
:)
The black codes made the south have difficulties improving there economic conditions because african americans were in large numbers during that time (previous slaves) however they were not allowed to hold many of the jobs that were needed to help the South become productive.
hope this helps