What was the main reason for other countries' growing need for American colonial goods? They needed raw materials to trade for slaves from Africa. American traders had a knack for making better deals than others. They needed American raw materials for their own economies to grow. American raw materials were of better quality than those grown elsewhere.
The main reason for other countries' growing need for American colonial goods was that "American raw materials were of better quality than those grown elsewhere", which was especially true for the cotton and tobacco industries.
