Which of the following technologies were vital in the union win the civil war? a. trench warfare b. railroads c. photography d. aircraft carrier

B. Railroads

Explanation:

The Confederacy was defeated by the Union, and the rebel states were occupied by Union troops until 1877. The American Civil War is considered by several historians as the first modern war

Some things that helped the Union win were battleships used in war as well as submarines capable of destroying other ships. landmines and aquatic species have gained use in unprecedented numbers in the Western world. In addition, railroads, which had already been used in the Mexican-American and Crimean wars, were first mass-employed to move large numbers of soldiers from one region to another in a matter of a few days.

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go

the correct answer is:

true

i am an online student and after i submit my quizzes, it gives me the correct answers to any that i may have missed. the answer to this question is true