Europe mostly
north america
south america too
Soviet Union DID NOT join, it started the Warsaw pack
To develop bronze tools,the wheel, the plow, writing and mathematics
<span> B. They were slave states that could have joined the Confederacy.
If the border states had joined the Confederacy, it would have greatly bolstered the population as well as the army of the South. However, if the US was more lenient on the border states and allowed slavery there to a certain degree, the Border states would provide a 'buffer' zone to help protect the North from most attacks, as well as provide men for the army and factories for producing much needed supplies.
hope this helps</span>
Neither side made progress in the war
