 The Middle Colonies had lots of rich soil , which was allowing the area to become a major exporter of wheat and other grains . The lumber and shipbuilding industries enjoyed success in the Middle Colonies because of the abundant forests , and Pennsylvania saw moderate success in the textile and iron industry . The Middle Colonies were the most ethnically and religiously diverse British colonies in North America , they had settlers coming from all parts of Europe . Civil unrest in Europe and other colonies saw an influx of immigrants to the Middle Colonies in the 18th century . With the new arrivals came various religions which were protected in the Middle Colonies by written freedom of religion laws . This tolerance was very unusual and distinct from other British colonies . 
 The Middle Colonies had lots of rich soil , which was allowing the area to become a major exporter of wheat and other grains . The lumber and shipbuilding industries enjoyed success in the Middle Colonies because of the abundant forests , and Pennsylvania saw moderate success in the textile and iron industry . The Middle Colonies <a href='uninflect' title='1'><mark>were</mark></a> the most ethnically and religiously diverse British colonies in North America , they had settlers coming from all parts of Europe . Civil unrest in Europe and other colonies saw an influx of immigrants to the Middle Colonies in the 18th century . With the new arrivals came various religions which <a href='uninflect' title='2'><mark>were</mark></a> protected in the Middle Colonies by written freedom of religion laws . This tolerance was very unusual and distinct from other British colonies . 
The Middle Colonies had lots of rich soil , which was allowing the area to become a major exporter of wheat and other grains . da lumber and shipbuilding industries enjoyed success in the Middle Colonies bc of the abundant forests , and Pennsylvania saw moderate success in the textile and iron industry . The Middle Colonies was tdamost ethnically and religiously diverse British colonies in North America , they had settlers coming from all parts of Europe . Civil unrest in Europe and other colonies saw an influx of immigrants to the Middle Colonies in the 18th century . With thdaew arrivals came various religions which was protected in the Middle Colonies by written freedom of religion laws . This tolerance was very unusual and distinct from other British colonies .