Question

Why did transatlantic trade expand as the British colonies advanced?

Answer 1

The transantlantic trade triangle expanded as the colonies in the new world expanded fuelling demand for more slaves and more goods being produced for export into Europe. it is the slaves from africa that added volume to the trade as it is estimated that at its peak there was over 150,000 slaves brought yearly and over 50,000 dying in the  deep sea.

Answer 2

Answer:

The transantlantic trade triangle expanded just as because the colonies in the new world expanded.

Explanation:  

The expanding form of the new colonies in the world also expanded the transantlatic trade as well. It was demanding more slaves and more production of the goods that is to be produced for the sake of export in Europe. Slaves from Africa simply added the volume into the trade that was around 150,000 slaves.