Answer:
b
. the astrolabe
c
. steam-powered ships
d
. the magnetic compass
Explanation:
The Age of Exploration was a period in the history of Europe where there was major overseas exploration and discoveries such as the Americas.
This period was between the 1400s and 1500s and some of the tools that were available for the Europeans that helped them explore the world were the astrolabe, steam-powered ships like the caravel, and the magnetic compass.
