Instructions:Select the correct answer. How did the invention of the astrolabe help Vasco da Gama make his voyage to India?
A. It allowed him to navigate the seas using the sun and stars.
B. It allowed him to create a map to help other sailors return to Asia.
C. It allowed him to use the winds to return from longer journeys.
D, It allowed him to scare off anyone who would try to attack his ship