A = pi * r^2 A = 3.14 * 50^2 A = 7,850 square miles (area of the 50 mile broadcast signal)
A = pi * r^2A = 3.14 * 75^2A = 17,662.5 = 17,663 square miles (area of the 75 mile relayed signal)
Now we just need to subtract the 50 mile signal from the 75 mile signal, so:
17,663 - 7,850 = 9,813 square miles greater
Hope this helps :)
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truthfully both, but the economy was driven up north when they used the resources from the south and became factory driven. The civil war definetely divided the country on northern technology and ideals. after slavery was outlawed, northern technology was used on farms.
Grains, oil, and textiles were native to Babylonia while they exchanged timber, wine, precious metals, and stones. (merchants received in exchange for these items)