What piece of technology allowed the Portuguese to set up their trade empire throughout the Indian Ocean region? Advanced metals - such as steel

Guns and gunpowder

The compass

The astrolabe

The compass

Explanation:

A compass can be defined as an electronic or magnetic instrument (device) designed and developed to determine cardinal location and direction from a reference point. It is embedded with the four cardinal points of the Earth; north, west, south and east.

The compass was a piece of technology which allowed the Portuguese to set up their trade empire throughout the Indian Ocean region.

Basically, it was used to find their bearing and direction.

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explanation:

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