I'm not positive but i would say B
The Songhai Empire Control the Salt Mines of Africa. During this time, salt was a very important commodity and it played a major role in the trade industry of the Songhai Empire. This produce enabled them to have a sustainable and very stable economy, making them one of the largest empires in the history of Africa.
Senators are more vulnerable to defeat than their colleagues in the House <span> because Senate candidates are more evenly matched in spending
Money often became a very decisive factor for political candidates for winning the votes through campaigns and advertisement.
Similar spending means that they wouldn't have enough found to out-perform their competitor, which make the senators more prone to losing.</span>
New England towns along the coast, the colonists made their living fishing, whaling, and shipbuilding.