Answer:My answer for your question would be :
New England: Boston shipping ports, Sugar
Southern: Slaves, agriculture
Explanation:
The south maintained tons of slaves. Having slaves will allow them to have plantations and have a large agriculture.
New England holds Boston in Massachusetts which also had the Sugar imports.
About 5,000 Slaves served in the continental army, and by 1778 many states slaves who served in the American Revolution were granted their freedom.
D. Remained poor.
They experienced a period of economic stagnation following the independence. Making a lot of people remained poor despite being free from the European colonization. They need some time before they eventually make adjustments to implement a proper political system in place and develop their economy.
The most correct answer here would be the growing of crops nad the taming of animals by early hmans. The Neolithic revolution is often seen as the transition from hunter-gatherer societies to societies of agricultural production and husbandry.