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.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.