The Spanish explorer Francisco Pizarro invaded the Incan Empire in 1532, seeking riches. The Inca had already had some contact with Europeans, and many had died of European diseases. The empire was also weakened by a civil war between two ruling brothers. Pizarro manipulated the two sides, eventually defeating both.
<h2>Slavery was the main theme of the Lincoln–Douglas debates, particularly the issue of slavery's expansion into the territories.</h2>
Adding like terms because this shows that they are adding the 2 intergers 10 and 1 and the 2 x values
Cattle ranching was an important business for the Great Plains, because the Great Plains had enough grass to sustain all the cattles bred, and there was a high demand for beef (cattle meat) during that time.
Ranchers would raise large numbers of cattles to sell to the east, and gain a lot of money during that time period
hope this helps
