PLEASE HELP!!

Missouri compromise succeeded in
-Walking slavery in all new states formed from Louisiana territory
-legalizing slavery in all territory north of 36^o30’ line of latitude
-eliminating the basic differences between the north and the south
-preserving the balance between slave and free states for several years

The Great Migration drained off much of the rural black population of the South, and for a time, froze or reduced African-American population growth in parts of the region. In a number of states, there were decades of black population decline, especially across the Deep South "black belt" where cotton had been king

Explanation:

1.the population change is near or at replacement level.

4. the birth and death rates are balanced.

6. sweden is most likely a developed country.