Answer:
Correct answer is 4.slaves were especially numerous in areas suitable for growing cash crops.
Step-by-step explanation:
Option 1 is not correct as actually New England colonies didn't have such a large slave population.
Option 2 is not correct as the population of slaves at that time was very high.
Option 3 is not correct as slavery was not banned until Emancipation Proclamation.
Option 4 is correct as slaves were mostly represented on the plantation, mostly in southern states.