Answer:
To encourage railroad construction across the Great Plains, the federal government gave land grants to many railroad companies. The railroads then sold the land to settlers, real estate companies, and other businesses to raise money to build the railroad.
Explanation:
"Frequent battles for succession weakened the Songhai army" is the one among the following choices given in the question that <span>caused the decline of the Songhai Empire. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope it helps you.</span>
