To separate<span> the substances in a </span>compound<span>, a chemical reaction is required. Running electric current through water will produce hydrogen and oxygen gases. This process is called electrolysis. Substances in mixtures can be separated using physical change processes.</span>
The south— the north (mostly) opposed slavery, whereas the south (mostly) wanted to keep it around. In fact, slavery was one of the main reasons the American Civil War was fought in the first place.
Answer:
The growth of trade fairs
