After the gold in the caribbean islands had all been mined the spanish turned to

Answer

Agriculture

Explanation

During the early years the expansion of many countries to foreign countries was for the search of gold. Most of them were the Europeans expansion to America. They then mined all the gold in the Caribbean Island and then after that they started practicing agriculture.

The farmed on different types of crops and they were able to produce more raw materials for their industries and also the fast foods which sustained their live hood.