Answer:
Interchangeable parts
Explanation:
Verified answer
It was the innovation of "interchangeable parts" that allowed for the mass production of goods, since the parts required to build a certain item could be imported from anywhere and replaced. pls Mark me as brainliest trust me
A,B and the one you already have checked
<span>One of the advantage held by the north during the civil war is the North had superior military leaders. At the flare-up of the American Civil War, both the North and South trusted the contention would be over rapidly. In any case, focal points for both the Confederacy and the Union implied a delayed war between the states.</span>
