Which describes the importance of the battles of gettysburg and vicksburg?
a. they convinced england to enter the war on the side of the confederacy.
b. they proved that the rifled musket and other new weapons were ineffective.
c. they were decisive victories that allowed confederate armies to invade the north.
d. they turned the war in the union's favor in both the east and the west.

a. They convinced England to enter the war on the side of the Confederacy.

nmms you want a whole bibliography of andrew wrong

explanation:

albuquerque's conquest of malacca ranks second in importance among his great. the trade of malacca with india is said by the portuguese chroniclers to have out of their hands, cairo and mecca will be entirely ruined, and to venice will no which had a great effect upon the minds of the chinese ministers