Answer:
They are selling acres of prairie farmland because the government granted them, to encourage building of the railroad.
The Illinois Central Railroad Company provided many details such as excellent soil, more profit from crops, and growth all lure pioneers to buy the land.
The risks and challenges of buying land and moving to new territoryare potential financial loss, and bad land or soil. Also another challenge is settling into a new home and producing crops, and earning money from other businesses.
The soil is perfect for animals to graze on and for crops. The crops you grow on the soil usually repays the cost of maintaining them. Wheat sown in it is also sure to give you very large profits.
This advertisement is an example of manifest destiny because it encourages people to expand by moving and settling to the west.
This advertisement is part of the American Dream or because it promotes people to own land and achieve success.