Final answer:
Colonial Delaware's industry was characterized by agriculture (notably grain products), lumber products, livestock farming, and the burgeoning shipbuilding industry, all contributing to its economic growth.
Step-by-step explanation:
The industry in Colonial Delaware was diverse and included several key sectors vital for the colony's economy and growth. The middle colonies, of which Delaware was a part, were well-known for their agricultural prowess, producing grain products such as wheat, flaxseed, and other crops due to the long growing seasons and fertile lands.
Beyond agriculture, lumber products played a significant role in the economy, leveraging the extensive forests of the region. Livestock farming was also prevalent, providing meat and other animal products both for local consumption and for export. Lastly, the shipbuilding industry thrived as advancements in shipping technologies were introduced by the merchant class, enhancing trade capabilities and stimulating economic growth. These industries were interconnected, supporting one another and contributing to the population and economic expansion witnessed in Delaware during the colonial period.