I think you forgot to add some detail but based on my research, the correct answer to this question is "to develop new markets and locate additional natural resources." Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
The Homestand Act was a series of laws which motivated people to expand the US territory, in the first version of the law the applicant, any American and even freed slaves, could ask for up to 160 free acres of federal land.As a result, America could expand and explore lands to the west. The last patch of land granted by the law was in 1988, it was 80 acres in southeastern Alaska.
After a 36-year rule, Franco died in 1975. He restored the monarchy before his death, which made King Juan Carlos I his successor, who led the Spanish transition to democracy. After a referendum, a new constitution was adopted, which effectively created a democratic regime in Spain.