The correct answers are B) England had plentiful supplies of iron ore, C) English iron makers were able to improve the process of smelting, and D) English iron makers developed ways to shape iron into tools and parts of machines.
The statements that explain why iron industry started in England were England had plentiful supplies of iron ore, English iron makers were able to improve the process of smelting, and English iron makers developed ways to shape iron into tools and parts of machines.
In the 18th century, English iron makers wanted to make the iron less expensive and stronger. They experimented with new techniques. They found ways to improve the process of smelting, they purified the iron with a process called “puddling and rolling” and were able to produce more iron form the vast ores England had in order to produce more tools and machines.