Answer:
The most important contributions is that the Byzantium Empire was able to preserve a lot of the knowledge and culture from the Roman and Greek Empires.
An early landmark moment in the Industrial Revolution came near the end of the eighteenth century, when Samuel Slater brought new manufacturing technologies from Britain<span> to the United States and founded the first U.S. </span>cotton mill<span> in Beverly, Massachusetts.</span>
The answer is actually Complex drainage systems to keep structures from flooding.
Answer:
World War I changed the way wars were fought because of the widely known trench warfare. Because troops inside the trenches were much more protected than troops outside, it led to much more prolonged battles.
Slavery helped contribute to the south's cotton boom during the 1800's. this cotton boom helped raise the economy up. But during Civil War slavery was banned from the U.S. leaving the south after their defeat to lose the slaves and dropping the south into an economic depression.
