Answer:
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.
Answer:
what year for this question?
There were actually several times in history that american indians became allies with english colonists and fight other american indians, but the most significant was during the French and Indian war.